The effect of age on racing distance is studied by looking at the difference and standard difference between the distance of a specific race and the mean distance of all races that the horse competed in. Recency-weighted past skill of the jockey that rode this horse in past races. Delaney, W. Finding quality data is crucial to being able to create a successful model. rewrite Pr(three successes) as. E281 Fall 2016 Simple Regression Opportunity - 50 points Due Thursday, September 29, by 6 p. A linear regression model analysis revealed that price significantly increased with factors such as height and stated experience in showing and dressage (P, 0. Multinomial logistic regression model (Discrete choice model) By making the assumption above, it can then be shown that the probability 𝑃 that horse i will win a race involving n horses is given by: 𝑃 = exp( ) σ =1 𝑛exp( ). Or copy & paste this link into an email or IM:. High prevalence of musculoskeletal disorders in racehorses and its impact on horse welfare and racing economics call for improved measures of injury diagnosis and prevention. Again, we do see big spikes in Kentucky Derby revenues, but this time for remarkably different years, 2001 and 2009, rather than 2005 as we have seen many times before. The type of model used by the author is the multinomial logit model proposed by Bolton and Chapman (1986). You have data from 102 Australian horses about their finishing position in the current … Continue reading (Solved) BUS-E 280-E281. How to use attrition in a sentence. In Section 7, we provide the applications to real data sets to illustrate the importance of the new family. Explain what is occurring during each of the segments. Multinomial Logistic Regression Horse Racing. For example, Bratley (1973, p. The present study was based on data obtained from International Fed-eration of Horce Racing Authorities and Turkish Jockey Club. Summary A number of models have been examined for modelling probability based on rankings. Accuratings Australia's Leading Horse Racing Database Service Presenting the Win-Ultimate Database The LARGEST available Horse Racing database available in Australia. estimate of each horse's probability of winning. Most are concerned with market efficiency (are win odds accurate) or are some bettors more knowledgeable (late money) and appear in the economics literature. It provides for individual specific variables (the kind we use) and two kinds of alternative specific variables. This model detects pricing inefficiencies in horse-betting markets by fitting the realised payoff of horses in past races to a multifactor Ordinary-Least-Squares (OLS) regression model to the following factors:. Harness racing is one of the largest sports in Sweden and Finland. 89 divided by 1. Effective: As of March 1, 2020 Review Consent Preferences (EU user only) John Wiley & Sons, Inc. It takes you through through all the steps, from collecting data using a web crawler to making profitable bets based on your predicted results. It is a simplistic method created to show. However I couldn't find a way to use the race identifier, so in the end all the regression program is trying to do is fit the data to predict the winner as close to 1 as it can. charlie irawan. See more: horse race computer groups, horse race animation, horse race britain, horse racing algorithm software, horse racing regression model, horse racing mathematical formula, predicting horse race winners, horse racing prediction model, multinomial logistic regression horse racing, horse racing mathematics, using r for horse racing, data. • Store segmentation using cluster analysis in Base SAS. 7% would be the best mark in college basketball in at least 20 years. The horses are not allowed to run as fast as they want. the final score margins) accounted for by a model (i. The variable Ei may be proportional to the time for the ith horse to run the race and the fundamental problem is to calculate the probability pi that horse. This book can be divided into three main parts: horse handicapping (Chapters 2-6), wagering (Chapters 7-9) and theories in practices (Chapters 10-11). This is a model that predicts the possibility of a single outcome based on a set of independent variables. While mathematically different, this motivation is similar to that of Freund, Schapire, and Abe (1999) who introduced the AdaBoost algorithm, also with applications in horse racing. Chapter 1 will explain why long term gains are possible in horse racing. The coefficients of a linear model are approximated with the use of the Bayesian method of Markov Chain Monte Carlo. Many models used in categorical data analysis can be viewed as special cases of generalized linear models. 29 by Grosu et al. 269 calculated by the binary model (see Figure 4 of Finding Multinomial Logistic Regression Coefficients). The Gambler Who Cracked the Horse-Racing Code Bill Benter did the impossible: He wrote an algorithm that couldn’t lose at the track. 0333 (averaged over the training data), which is the same as the overall proportion of defaulters in the data set. A recently developed procedure for exploiting the information content of rank ordered choice sets is employed to obtain more efficient parameter estimates. Regression analysis on 600,000+ races spanning 11 years Developed a model of the industry and its likely evolution 150+ interviews with industry stakeholders. Below is the code for predict_horse. Chapman, Searching for Positive Returns at the Track: A Multinomial Logit Model for Handicapping Horse Races. Suppose the logistic regression procedure declares both predictors to be significant. What follows is my attempt at producing, and training, a linear regression model to predict the outcomes of horse races in Hong Kong using data from the 2014 to 2017 seasons. Specifically, little is known about the epidemiology of exercise-related musculoskeletal injuries. Race results for 20 randomly selected days from 5 racetracks during 5 years were analyzed, using regression analysis. Two main concepts in wagering, Kelly criterion and hedging, will be discussed in Chapters 7 and 8. Again, we do see big spikes in Kentucky Derby revenues, but this time for remarkably different years, 2001 and 2009, rather than 2005 as we have seen many times before. The Kentucky Derby is a 1. The results show that certain industries negatively impact each other (casinos and. 05 or 5%, and the odds of the horse winning are 5/95 = 0. Models of Composite Forecasting In the horse racing decision-making situation, information can be obtained from various sources. Arkansas's opponents are shooting 24. The Multinomial Conditional Logistic Regression model (MCLR) is an alternative methodology to our approach. • linear programming: the ultimate practical problem-solving model • reduction: design algorithms, prove limits, classify problems • NP: the ultimate theoretical problem-solving model • combinatorial search: coping with intractability Shifting gears • from linear/quadratic to polynomial/exponential scale. 89 divided by 1. We have lots of historical Exchange data that we’re happy to share, and there are lots of other sources of sports or racing specific data available online, depending on what you’re looking for. Carrying out the slope calculations can be very helpful in different situations that range from making sure that the water flow runs exactly off a particular surface. McIlroy may have led the field in Strokes Gained: Off-the-Tee on Thursday, but thanks to 36 putts, he shot 2-over, nine off Koepka’s lead. Most models in horse racing use whether or not the horse won as the dependent variable and then use a variety of predictive variables within the independent set. Note, also, that in this example the step function found a different model than did the procedure in the Handbook. I was solely responsible for the whole process from data scraping to design and implementation of the models. Multinomial logistic regression is used to model nominal outcome variables, in which the log odds of the outcomes are modeled as a linear combination of the predictor variables. Special Report: Statistics might not tell the whole story about horse racing deaths Eddie Haskell, right, with jockey Kent Desormeaux aboard, wins a race July 6, the last day of the, winter/spring. binary (a horse wins or not) conducted across many races. where is a vector of regression coe cients. 3 The principal objective of this study is to present a dynamic econometric model of the thoroughbred yearling market. Success in racing is much depends upon assessment of class, rating, handicap and timing apart from knowledge of bloodline, suitability of distance of participating horses and present fitness of the horse and intensions of the stable. Our model uses industry volume as the dependent. Rather, it reflects a change in the underlying definition of R 2. I used historical race data to create a set of features (which are listed below). The following is a list of speed records for various types of vehicles. Model description (formula) is more complex than for glm, because the models are more complex. One of the common machine learning (ML) tasks, which involves predicting a target variable in previously unseen data, is classification ,. Attrition definition is - sorrow for one's sins that arises from a motive other than that of the love of God. Frosted, which came in second as the model predicted gave the champion horse some competition as they raced into the last stretch, but ultimately could not respond to American Pharoah's pace when it accelerated away into the books of thoroughbred racing history. 05 or 5%, and the odds of the horse winning are 5/95 = 0. 0, the odds of a woman buying a hybrid car are twice the odds of a man. A linear regression model analysis revealed that price significantly increased with factors such as height and stated experience in showing and dressage (P, 0. In this case, the rank would be the finishing position of a particular horse. Tabor and J. Related Works -Horse Racing Prediction with Neural Networks Cheng and Lau used deep neural network model to regress running time on 11074 races. The final estimate for Lac Qui Parle County: 192 +/- 29 Bequerels per Cubic Meter, much lower than the geometric mean of its two observations, but higher than the typical Minnesota county. The 2020 Ford Mustang Shelby GT350 is a powerful, high-strung muscle car designed to rock race tracks while still being at home on the street. The logistic regression coefficient indicates how the LOG of the odds ratio changes with a 1-unit change in the explanatory variable; this is not the same as the change in the (unlogged) odds ratio though the 2 are close when the coefficient is small. The registration is limited to those with a local presence and intent to use the domain. Horse Racing There have been many studies that examined the outcome of horse races. Summary A number of models have been examined for modelling probability based on rankings. Furthermore, applications of this model in various fields are given in Harlow (2002). 90 payout over an entire year. in 5, but rather that the horse has 1 ‘winning chance ’and 5 losing chances ; hence, a winning probability of 1 in 6. searching for positive returns at the track: a multinomial logit model for ha RUTH N BOLTON; RANDALL G CHAPMAN Management Science (1986-1998); Aug 1986; 32, 8; ABI/INFORM Global. 03% of the time. The last time was in 1818 and the next time will be 2285, which is a span of 467 years! On the other hand, Easter falls on the latest date (April 25) 1. • Fraud detection modelling using decision trees using Orange. It's a kind of horse racing, yet different to regular horse racing. Models of Composite Forecasting In the horse racing decision-making situation, information can be obtained from various sources. UK Horse Racing's Ratings Regression - Going & Distance. I'm having trouble understanding how one can apply the conditional logit model to horse racing. Version 2 of 2. We used arti cial neural network and logistic regression models to train then test to prediction without graph-based features and with graph-based features. American race synonyms, American race pronunciation, American race translation, English dictionary definition of American race. Regression, Decision tree, Random Forest, KNN, Logistic regression are example of super vised learning. Now, considering the same plot as above except with the linear regression method, we see a different pattern. mlogit— Multinomial (polytomous) logistic regression 3 Remarks and examples stata. The model is used to analyze (a) the effect of purses on the. gai-ying zhang, gao guo and ; path planning for racing games. horse welfare using the Five Domains model. A GLM regression analysis was performed using the haplo. 89 divided by 1. The enhancement and introduction of new well planned SBED programs in United States racing jurisdictions might increase attendance and wagering. The input nodes were weight, type of race, horse trainer, horse jockey, number of horses in race, race distance, track condition and weather. Attended by more than 6,000 people, meeting activities include oral presentations, panel sessions, poster presentations, continuing education courses, an exhibit hall (with state-of-the-art statistical products and opportunities), career placement services, society and section business. Finish- this is the place in the team's respective division that the team ended at in a season; there are currently five teams in each division. This effectively includes every racing start of a horse, excluding the starts in the first six months of its career. com Remarks are presented under the following headings: Description of the model Fitting unconstrained models Fitting constrained models mlogit fits maximum likelihood models with discrete dependent (left-hand-side) variables when. This equation, when reduced for horse racing, says the maximum long-term growth of your bankroll will occur when Wager in % of current bankroll = 100% * [(odds+1)*chance of winning-1] / odds. The project concept was initiated by a review of evidence based references on equine wastage and injuries in training and racing of sports horses. That will all come out in the data analysis. Define baseline. Harness racing is one of the largest sports in Sweden and Finland. We continue to innovate new methods to quantify uncertainty in sports betting, and the application of portfolio theory, optimal bet sizing, and fund management. 55 by Villela et al. • This lecture: logistic regression. Ratio scale data levels of measurement. Finish- this is the place in the team’s respective division that the team ended at in a season; there are currently five teams in each division. Features are a list of attributes (like which post the horse starts, the. Users of OpenOffice should use the OpenOffice Calc version of the spreadsheet. “The Equation ” is a combined two things; a large pool of racing data and comprehensive mathematics. See more: horse race computer groups, horse race animation, horse race britain, horse racing algorithm software, horse racing regression model, horse racing mathematical formula, predicting horse race winners, horse racing prediction model, multinomial logistic regression horse racing, horse racing mathematics, using r for horse racing, data. Predicting likelihood of seeking help through the Employee Assistance Program among salaried and union hourly employees. The negative binomial distribution gets in statistical in negative binomial regression. The power produced by the motor depends on the speed of the motor and is. Linns Heir was brought back to Lockerbie and Nelson snr began the search for her first mate. For our workshops we use historical NBA odds data from the Exchange (which you can download. • Store segmentation using cluster analysis in Base SAS. Abstract This paper presents a mathematical model for the optimal wagers one should make on a horse race which uses the pari-mutuel wagering system. Poisson regression was used to estimate incidence rate ratios (IRR) with 95% CI for race exposure variables and the outcome MSI. There is a belief, shared by many, that the Sport of Kings is actually the Sport of Whales. 00 Gilles Mordant (UCLouvain) Goodness-of-fit tests based on center-outward quantile regions 16:00-16:20 Coffee break RV1. A Google Sheets betting tracker is also available. This article describes a critical issue with that rejection criteria. Trading and Betting the Horses While some people question how easy it is to make a consistent living TRADING, how about making a consistent, comfortable living betting on horse races? Here is a story about Ernest Dahlman – someone who has experienced amazing success at betting on horses for the past 35 years. Autocorrelation and multicollinearity were examined by Durbin-Watson statistics and Variance Inflation Factors (VIF), respectively. More than 3 0 years of race and horse histories dating back to 1986 PLUS all New Zealand race and horse histories dating back to 1993. High prevalence of musculoskeletal disorders in racehorses and its impact on horse welfare and racing economics call for improved measures of injury diagnosis and prevention. Benter earned nearly $1 billion through the development of one of the most successful analysis computer software programs in the horse racing market. Furthermore, it has been argued that whipping tired horses in racing is the most televised form of violence to animals. 6 times greater than during the middle of the race (from 20 s after start until 20 s before finishing; −0. To determine the significance of drafting in horse racing, we examined how average speed depends on the percentage of the race that a horse spends 'covered up,' or directly behind another horse (figure 1 d and electronic supplementary material, movie S1). Frosted, which came in second as the model predicted gave the champion horse some competition as they raced into the last stretch, but ultimately could not respond to American Pharoah’s pace when it accelerated away into the books of thoroughbred racing history. On the evening of Nov 6, 2001, all of Hong Kong was talking about the biggest jackpot the city had ever seen: at least HK$100 million (then about S$17. Stanley Cup to make stop at Capitol Rotunda The Stanley Cup, won by the St. If the horse runs 100 races and wins 50, the probability of winning is 50/100 = 0. 32 for racing time of Trotters. "A Note on the Identifiability of the Regression Parameter and Validity of the Partial Likelihood Approach in General Relative Risk Regression", Biometrika, Vol. The conditional logit model introduced by McFadden (1973) is based on a model similar to the logistic regression. pdf - Free download Ebook, Handbook, Textbook, User Guide PDF files on the internet quickly and easily. This book can be divided into three main parts: horse handicapping (Chapters 2-6), wagering (Chapters 7-9) and theories in practices (Chapters 10-11). A Sequence Polymorphism in MSTN Predicts Sprinting Ability and Racing Stamina in Thoroughbred Horses logistic regression model identified an independent effect. Many other advanced statistical tests and techniques also require interval or ratio data. Using the predictive model, arrived at actionable recommendations that could help the client to maximize revenue from horse races. The Gambler Who Cracked the Horse-Racing Code Bill Benter did the impossible: He wrote an algorithm that couldn’t lose at the track. Fans can look at the cup and take photos. The partial regression of racing times on weight carried were significant at all distances on turf and dirt. Man v Machine: Greyhound Racing Predictions MSc Research Project Data Analytics Alva Lyons Many of the works done on predicting results of horse and greyhound races focus on the model used for prediction and it's tuning parameters rather than the selection of than regression modelling the model choice of Schumaker and Johnson (2008. Stepwise Regression (September 2015) Horse Racing and Listening to Control Charts (August 2015) The model represents a blend of process and people skills, which. 1–4 6–8 30–34 Factors found to be associated with falls were lower race grades, female sex of jockey. Horse Racing Software Links Betting-on-Horse-Racing - Offers horse racing tips, betting guide, full fixture list, course information with links and horse racing history. The public does the same thing as a whole, however, they tend to over bet and/or under bet certain variables. 7, y = -7, and z = 11. May 3, 2020 May 3, 2020 by admin. 062 m s −2, ± IQR) was 8. The UK Horse Racing model is based around mathematical regressional analysis and some of the figures from the analysis seem to be very important. Using a regression model, the optimal rate McKinsey & Company presented was 15. 2 months later than white boys (p=0. Below is the code for predict_horse. Lesean McCoy was exceptional in 2016, finishing as the fourth-highest scoring running back in fantasy points per game. 269 calculated by the binary model (see Figure 4 of Finding Multinomial Logistic Regression Coefficients). This model is well suited to horse racing and has the convenient property that its output is a set of probability estimates which sum to 1 within each race. Building a sports betting model can be difficult work. We also see that the logistic model is better able to capture the range of probabilities than is the linear regression model in the left-hand plot. I’m talking about big bettors — the guys and girls that move the lines, the so-called “smart money” players. The logistic regression model showed that the median age of skeletal maturity was, on average, 1. Hi all, I am attempting to carry out a logistic regression on horse race data as follows. American race synonyms, American race pronunciation, American race translation, English dictionary definition of American race. By using a version of their 'multiple regression analysis', Mike then tried to identify and measure the various factors that affected a horse's performance. 7% from 3-point range against the Razorbacks. A linear regression model analysis revealed that price significantly increased with factors such as height and stated experience in showing and dressage (P, 0. This equation, when reduced for horse racing, says the maximum long-term growth of your bankroll will occur when Wager in % of current bankroll = 100% * [(odds+1)*chance of winning-1] / odds. One problem with this model is that the probability ˇ ion the left-hand-side has to be between zero and one, but the linear predictor x0 i on the. stats package in R, to test for association between haplotype and racing performance (Sinnwell and Schaid 2016). Longevity is of economic importance in the Thoroughbred racing industry because of expenses and time invested in breeding and training. If the horse runs 100 races and wins 50, the probability of winning is 50/100 = 0. But Chicago's roster is still one of the best in the NFL and with improved quarterback play and some improvement in their running game, they could reopen a contention window. In Figure 1 we plot the implications of this model for the relationship between implied win probabilities - inferred from the betting odds, and measured in Equations (1) and (2)-andactualwinprobabilities. in 5, but rather that the horse has 1 ‘winning chance ’and 5 losing chances ; hence, a winning probability of 1 in 6. Have the mformula function. gambling industries affect each other. Registration in LR requires specific second-level domains. 05, then the odds that a customer buys a hybrid car increase by 5% for each additional year of age. cpp: The file defining the Horse methods Note: If you are using an online compiler like www. We then apply simple rules for DAGs to demonstrate that, contrary to common intuition, baseline adjustment often fails to remove confounding and sometimes induces spurious correlation between exposure and measured health. The objective of this study was to develop a new multivariate statistical model for genetic estimation of distance-dependent racing performances in German Thoroughbreds. The public does the same thing as a whole, however, they tend to over bet and/or under bet certain variables. By using a version of their 'multiple regression analysis', Mike then tried to identify and measure the various factors that affected a horse's performance. The name is based on the first two letters of the Liberian name for Liberia. A set of racing data was taken, and the racing speed of each horse was calculated. or base line n. The main difference is in the interpretation of the coefficients. Users of OpenOffice should use the OpenOffice Calc version of the spreadsheet. $\begingroup$ Following your instructions, I can now formally prove its lower bound using adversary argument. Capital Asset Pricing Model, 6 Insurance Redlining, 7 CEO Compensation, 8 Galton Heights, 9 MEPS Health Expenditures, 10 Hong Kong Horse Racing, 13 Hospital Costs, 14 Insolvency Study, 15 Initial Public Ofiering (IPO), 17 Stock Market Liquidity, 18 Reinsurance Retention Limits, 19 Massachusetts Bodily Injury, 21 Insurance Company Expenses, 22. The data, collected by Donald Forbes for his MS305 Data Analysis Project, give results for each horse in a sequence of 8 races. The difference is that all individuals are subjected to different situations before expressing their choice (modeled using a binary variable which is the dependent variable). American race synonyms, American race pronunciation, American race translation, English dictionary definition of American race. In this case, we list all object pairs from the set while also taking order into consideration. (Model Building: Predicting the probability of a future event by assigning appropriate weight to all the important factors/variables in historical data) Example 1. In the thesis, we characterized most of the betting types but. the , > < br to of and a : " in you that i it he is was for - with ) on ( ? his as this ; be at but not have had from will are they -- ! all by if him one your or up her there can so out them an my when she 1 no which me were we then 2 into 5 do what get go their now said would about time quot. Initially it was developed for self use and now share out this version with ads to people who love this sport. An economic model is a hypothetical construct that embodies economic procedures using a set of variables in logical and/or quantitative correlations. Furthermore, many betting strategies rely on predicting the probability of a given horse winning a race and comparing it to the perceived market probability to determine what to bet. Ordered logistic regression. The role of the consultant will be advisory; the modelling will be carried out by the BHA project team, who are. And those who have the potential to engage in gambling but report zero acts during that time. Less than 14% of the variance. 85) reports abandoning the search for a regression model using past. or base line n. Neural network simulation often provides faster and more accurate predictions compared with other data analysis methods. Implemented clustering technique across stores in two different cities, and created store clusters based on mix of sales by category and average sales by size of store. After reading this post you will know: The many names and terms used when describing logistic regression (like log. More than 3 0 years of race and horse histories dating back to 1986 PLUS all New Zealand race and horse histories dating back to 1993. While SBED programs are not used in every state, their overall contribution to horse racing is apparent and substantial. Logistic regression is another technique borrowed by machine learning from the field of statistics. For example, in the following racecard (sorted in decreasing e. Most feature screening methods depend on some threshold parameter that controls the cut-o between active and inactive features. Senator from Connecticut who famously, and forcefully, told the assembled masses at the 1968 Democratic Convention in Chicago what many of them didn't want to hear. To repeat (for other interested people): 1) at least 5 races; 2) 5 races are not enough to tell which one is the fastest because you can only do step 2) in the algorithm; 3) If you want to know the fastest one, you have to compare all the first ranked horses; 4) When you know the. Most of the time the jockeys and trainers are the same, too. (11) for Romanian Trotters, and 0. This model is well suited to horse racing and has the convenient property that its output is a set of probability estimates which sum to 1 within each race. I created a model to predict horse races in my country (logistic regression and lasso regularization) based on the paper "Searching for Positive Returns at the Track" ( link ). That means Mr Benter can put less at risk and get the same return; a. In harness racing, the driver does not sits on top of the horse. This function selects models to minimize AIC, not according to p-values as does the SAS example in the Handbook. While it s understandably tempting to share information or search for input on other topics upon which members might have a similar level of knowledge, members must maintain the focus on. Predicting likelihood of seeking help through the Employee Assistance Program among salaried and union hourly employees. But what emerges is a surprisingly. 6 Wide Receivers Who Are Due for Fantasy Football Regression in 2017: After blowing up as a rookie, will Michael Thomas take a step back in 2017? Read it now on numberFire, your #1 source for data. 74 months (95% CI: 22. 20 - this means. The parameters of these models are estimated by the maximum likelihood method, using the information on win pool fractions. The distance between the two categories is not established using ordinal data. A day at the races, with its colorful variety and fast-paced action, appeals to people from all walks of life. Regression, Decision tree, Random Forest, KNN, Logistic regression are example of super vised learning. , Anáhuac University, 2001 Project Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Department of Statistics and Actuarial Science Faculty of Science Fabián Enrique Moya 2012 SIMON FRASER UNIVERSITY. Regression 4: The Houston Rockets win 98% of the games in which they score 102 or more. A recently developed procedure for exploiting the information content of rank ordered. In this model, it is supposed that the probability of horse jwinning race iis dependent on a. This article describes a critical issue with that rejection criteria. The Poisson random variable satisfies the following conditions: The number of successes in two disjoint time intervals is independent. Sport betting is a form of wagering on the outcomes of traditional probability games such as cards, dice, or roulette as well as on the outcomes of sporting events such as football or baseball. Two of these are the Going and the Distance regression figures. Bolton & Randall G. Sum these numbers for all horses in the race. 89 divided by 1. Note! - the full torque from zero speed is a major advantage for electric vehicles. The last such occurrence was in 1943, and the next is 2038, or a span of 95 years. The command name comes from proportional odds. Outcome probability of Horse Racing Position ie, 1st 2nd, third, forth ,fifth and last. Lesean McCoy was exceptional in 2016, finishing as the fourth-highest scoring running back in fantasy points per game. As the number of years racing increased the likelihood of a horse ceasing racing decreased (p<0. It is a sulfonamide, a chlorobenzoic. (If it were a four horse race, the top horse would earn 4 points, a five. Harness racing is one of the largest sports in Sweden and Finland. Lo University of British Columbia Fidelity Investments Disclaimer: This presentation does not reflect the opinions of Fidelity Investments. MachineLearning Technique on Horse Racing - Free download as Word Doc (. 32 for racing time of Trotters. The former predicts continuous value outputs while the latter predicts discrete outputs. In Chapte3,we focur s on developing this model for the horse races of HK using the data98-00 betwee. txt) or read online for free. Regression analysis on 600,000+ races spanning 11 years Developed a model of the industry and its likely evolution 150+ interviews with industry stakeholders. For the first order interaction model, you will simply need to create your interaction terms using a Formula Tool ([Field1]*[Field2]), and then plug those interaction. The Gambler Who Cracked the Horse-Racing Code Bill Benter did the impossible: He wrote an algorithm that couldn’t lose at the track. If so, what you are asking for doesn't make much sense: there really isn't a single predicted outcome in this model. Extraction and Analysis of Lasix (Furosemide) in Horse Serum A Case Study in SPE Method Development The Office of Racing Commissioner’s (ORC) equine and human blood/urine testing programs play an important role towards ensuring the wagering public that drugs or other foreign substances are not administered to or present in any race horse. Multivariable logistic regression modelling was employed to investigate Model validation techniques 1. Data on 102 male and 100 female athletes collected at the Australian Institute of Sport. The Best Artificial Neural Network Solution in 2020 Raise Forecast Accuracy with Powerful Neural Network Software. Delaney, W. 2-liter flat-plane crank V-8 producing 526 hp and 429 lb-ft of torque, paired to a Tremec six-speed manual transmission. implied by the horses’ odds) and model probabilities, which are estimated via a statistical procedure [18]. The Kentucky Derby is a 1. Inferring the generalized-growth model via maximum likelihood estimation: a reflection on the impact of overdispersion 15. This lecture: logistic regression. Most feature screening methods depend on some threshold parameter that controls the cut-o between active and inactive features. Kaggle Bike Sharing Demand Competition - Linear Regression Model - R - kaggle_bikesharing_1. The project concept was initiated by a review of evidence based references on equine wastage and injuries in training and racing of sports horses. Statistical Regression Analysis Larry Winner University of Florida Department of Statistics July 26, 2019. the model is that it accepts ordinal rankings as input and produces an ordinal fore­ cast. Two of these are the Going and the Distance regression figures. In the conditional logistic regression model using only the subset of matched cases and controls, cases had 4. Now, considering the same plot as above except with the linear regression method, we see a different pattern. Multiple logistic regression can be determined by a stepwise procedure using the step function. Chapter 1 will explain why long term gains are possible in horse racing. Downloadable (with restrictions)! In this paper,we propose a class of general partially linear varying-coefficient transformation models for ranking data. This area is represented by the probability P(X < x). Three versions of the spreadsheet are available: basic, standard and advanced. I recently came across this article about horse races prediction. There is a considerable number of academic papers on horse racing. Senator from Connecticut who famously, and forcefully, told the assembled masses at the 1968 Democratic Convention in Chicago what many of them didn't want to hear. A multinomial logit model of the horse racing process is posited and estimated on a data base of 200 races. Ordinal Logistic Regression is used to model the relationship between a set of predictors and an ordinal response, in our case, we have positions obtained in tournament 1,2,3 and 4. 1) create a a model to predict the probability of a given horse in a given race winning said race; and 2) use the probabilities outputted by our model to create a betting strategy to maximize our ROI based on a $100,000 betting bankroll when back-testing for 540 races randomly selected from the data set. com Remarks are presented under the following headings: Description of the model Fitting unconstrained models Fitting constrained models mlogit fits maximum likelihood models with discrete dependent (left-hand-side) variables when. The project concept was initiated by a review of evidence based references on equine wastage and injuries in training and racing of sports horses. 85) reports abandoning the search for a regression model using past. There is a large increase in racing distance over the course of a horse's two- year-old year. A possible model is the logistic regression:. Such things as last speed, number of days off, trainer's record with this horse, etc, etc. 8% area under the curve average) logit model (20 folds, stratified cross-validation). cpp, followed by the contents of. We have lots of historical Exchange data that we're happy to share, and there are lots of other sources of sports or racing specific data available online, depending on what you're looking for. An essential step before working with horse racing excel data is to ensure you can read the data. The model that we'll be creating will be using is a Support Vector Maching regression algorithm to train and predict results. Furthermore, it has been argued that whipping tired horses in racing is the most televised form of violence to animals. Testing Market Efficiency in a Fixed Odds Betting Market Abstract This paper tests the hypothesis of market efficiency for the fixed odds betting market of Swedish trotting head-to-head matches. Capital Asset Pricing Model, 5 Insurance Redlining, 6 CEO Compensation, 7 Galton Heights, 8 MEPS Health Expenditures, 9 Hong Kong Horse Racing, 12 Hospital Costs, 13 Initial Public Ofiering (IPO), 14 Stock Market Liquidity, 15 Massachusetts Bodily Injury, 16 Insurance Company Expenses, 17 Outlier Example, 18 Refrigerator Prices, 19 Risk. (volleyball, beach volleyball, badminton, tennis doubles, horse racing). By "rank-ordered logistic regression" I assume you mean an ordered (or ordinal) logistic regression, as implemented in Stata by the -ologit- command. distribution and multinominal logistic regression are introduced in estimating winning probability of each race horse. Predictor (X1) is Racing course, either 0, or 1 ( A or B) Predictor (X2) is Horse Age( Factor , I suppose) Predictor (X3) is Horse Ranking by rating eg. Then, we will bet on the best horse will the highest predicted first place score. Finally, we offer some concluding remarks in Section 8. On hack day we experimented with using Amazon Machine Learning to perform numerical regression analysis, allowing us to predict which articles should be watched closely by moderators for abusive. When the intercept is left out of the model, the definition of R 2 changes dramatically. I have 1449 lines of data in Excel, of which 107 lines have been highlighted based on X number of criteria. by News Tribune. Regression results for Quantile regression and Probit model The main results of quantile regression analysis: • The wagering of “typical male” is 1. Frosted, which came in second as the model predicted gave the champion horse some competition as they raced into the last stretch, but ultimately could not respond to American Pharoah’s pace when it accelerated away into the books of thoroughbred racing history. If you are looking for the regression equation of the coefficients of the generated regression equation are included in the "R" output of the model. , Anáhuac University, 2001 Project Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Department of Statistics and Actuarial Science Faculty of Science Fabián Enrique Moya 2012 SIMON FRASER UNIVERSITY. Stefan Lessmann & Ming-Chien Sung, Identifying winners of competitive events: A SVM-based classification model for horserace prediction. You often hear of odds in relation to horse racing; for example, the favorite is 3:2. For horse racing you really want to take the probabilities as is and when I did this the probabilities were pretty well calibrated without adjustment. Examples include regression model to predict Saturday horse racing bet count, and binary classification model to identify high-valued clients among recent registrations. To begin the analysis, I go to Stat > Regression > Ordinal Logistic Regression and fill in the dialog box as shown below. a robust sparse kernel method for regression. According to the. "Towards a general asymptotic theory of Cox model with staggered entry", Annals of Statistics, Vol. The relationship isn't perfect. • Development of scoring model that predicts potential credit ratings for future customers of the bank using Logistic regression model in Base SAS. 25) & adjust as the bets indicated which horses should have higher or lower odds. In both regression models, increased firmness of the going, increasing racing distance, increasing average horse performance, first year of racing and wearing eye cover for the first time all increased the odds of fatality. Excel & Algorithm Projects for £20 - £250. Suppose the logistic regression procedure declares both predictors to be significant. The average fitted probability in both cases is 0. 6 times greater than during the middle of the race (from 20 s after start until 20 s before finishing; −0. This is the center of the curve where it is at its highest. About horse handicapping, we will start with analysing racing forms in Chapter 2. To see how these odds are constructed (in a mathematical sense), consider two horses in a field of 6 or 8. We find that aerodynamic drafting has a marked effect on horse performance, and hence racing outcome. In contrast, in a logistic regression model, increasing X by one unit changes the log odds by β 1 , or equivalently it multiplies the odds by \({e}^{\beta _{1}}\). This book can be divided into three main parts: horse handicapping (Chapters 2-6), wagering (Chapters 7-9) and theories in practices (Chapters 10-11). Full text of " NEW " See other formats. The coefficients of a linear model are approximated with the use of the Bayesian method of Markov Chain Monte Carlo. Rather, it reflects a change in the underlying definition of R 2. Race results for 20 randomly selected days from 5 racetracks during 5 years were analyzed, using regression analysis. The model looks back over all races run over the past 180 days. New York Road Runners, whose mission is to help and inspire people through running, serves 670,000 runners of all ages and abilities annually through races, community runs, walks, training, virtual products, and other running-related programming. Before applying linear regression models, make sure to check that a linear relationship exists between the dependent variable (i. Here, a population of. Sample size. HORSE RACING PREDICTION USING GRAPH-BASED FEATURES Mehmet Akif Gulum April 24, 2018 This thesis presents an applied horse racing prediction using graph-based features on a set of horse races data. A fundamental axiom of any model of the horse race process should be that the race is a probabilistic event. The relationship between continuous variables and falling was assessed using generalised additive models (GAMs). used a discrete choice model known as McFadden's conditional logit model. docx), PDF File (. Our model uses industry volume as the dependent. Bayesian model comparison: integration of likelihood to get model evidence Horse racing - probability & betting strategy. a horse race for three-year-olds run annually at Elmont, N. Word History of attrition. Essentially getting our computer to build a model of past racing data so that we can use this model to effectively predict the outcome of future race data. Chapter 1 will explain why long term gains are possible in horse racing. Estimates of an explicitly reduced form model of bookie. For example, Bratley (1973, p. We won't lie to you. McCoy's expected production was incredibly close to that of Mark Ingram, who finished as the 10th-highest scoring running back. Regression algorithm are nice for horse racing predictions. Carrying out the slope calculations can be very helpful in different situations that range from making sure that the water flow runs exactly off a particular surface. 7, y = -7, and z = 11. Close to a billion dollars later, he tells his story for the. Sum these numbers for all horses in the race. This tool is designed for mobile usage. The 2020 Ford Mustang Shelby GT350 is a powerful, high-strung muscle car designed to rock race tracks while still being at home on the street. The purpose of this course is to teach about how to use Python and machine learning in order to predict sports outcomes. To estimate the winning probabilities for horses, Johnson et al. The conditional logit model introduced by McFadden (1973) is based on a model similar to the logistic regression. When the intercept is left out of the model, the definition of R 2 changes dramatically. An essential step before working with horse racing excel data is to ensure you can read the data. In addition, they have no theoretical foundation, and consequently may perform poorly. An economic model is a hypothetical construct that embodies economic procedures using a set of variables in logical and/or quantitative correlations. Any of 5 jockeys can ride the horses. The worksheet tracks your betting…. 40 Halehsadat Nekoee (ULiège) Clustering algorithm in presence of missing data 15. com which can be found here. Compare football to other sports — like horse racing — where past stats are far more relevant to an upcoming event. 0333 (averaged over the training data), which is the same as the overall proportion of defaulters in the data set. Horse Racing There have been many studies that examined the outcome of horse races. UK Horse Racing's Ratings Regression - Going & Distance. a horse race for three-year-olds run annually at Elmont, N. If the horse runs 100 races and wins 50, the probability of winning is 50/100 = 0. stochastic models. However I couldn't find a way to use the race identifier, so in the end all the regression program is trying to do is fit the data to predict the winner as close to 1 as it can. Finally, the model rule states that “Racing Authorities may, within their Rules, provide for the disqualification of a horse from a race in circumstances in which the Staging Authority’s relevant judicial body deems that the rider has ridden in a dangerous manner”. h: The header file for the Horse class Horse. While mathematically different, this motivation is similar to that of Freund, Schapire, and Abe (1999) who introduced the AdaBoost algorithm, also with applications in horse racing. combinations horse racing combinations lock exponential model exponential notation linear regression : linear relationship. Wanted to use Minitab Nominal or Ordinal Regression model to forecast horse racing results. It is certainly possible to create all of the components of your linear regression project in Alteryx. I used historical race data to create a set of features (which are listed below). com Remarks are presented under the following headings: Description of the model Fitting unconstrained models Fitting constrained models mlogit fits maximum likelihood models with discrete dependent (left-hand-side) variables when. Ordered logistic regression. EDT to consider the recommendation to. • This lecture: logistic regression. Don't say he didn't tell you: Ruby Walsh spoke about Altior's jumping before he ran at Ascot on Saturday. This negative impact of horse racing may be due, in part, to the recent strongly negative trend in horse racing handle that is attributable in part to the spread of casinos. Description. It's a kind of horse racing, yet different to regular horse racing. The final estimate for Lac Qui Parle County: 192 +/- 29 Bequerels per Cubic Meter, much lower than the geometric mean of its two observations, but higher than the typical Minnesota county. Word History of attrition. The function has a minimum value of zero at the. Horse Racing Tips. Races can either be trotting or pacing which determines the gait of the horse; Perhaps the best known behavioral model is to select a. Zero-inflated Poisson (ZIP) regression. With my little knowledge of the gaming industry and conditional logit models my guess is that you predict the probability p of a certain horse A winning and if the market odds are higher than 1/p you should bet on the horse just to make a very simple betting strategy. 74 months (95% CI: 22. Training Data :Each instance of the training data consists of features of various horses participating in the race. Now that we have these key stats, we can use them to calculate the attacking strength and defensive strength for each team. Ordered probit regression: This is very, very similar to running an ordered logistic regression. 7% from 3-point range against the Razorbacks. The model looks back over all races run over the past 180 days. estimate of each horse's probability of winning. This example shows how to create and minimize a fitness function for the genetic algorithm solver ga using three techniques: The basic fitness function is Rosenbrock's function, a common test function for optimizers. First, estimate the speed of each horse and have distance as one of the factors in the model. You have seen some examples of how to perform multiple linear regression in Python using both sklearn and statsmodels. 1) 2) John left his home and walked 3 blocks to his school, as shown in the accompanying graph. Bookie Guide - Bookieguide is a gambling portal specialising in UK horseracing. earthquakes, rainfall, floods, horse racing, queues in supermarkets, wind speeds and sea waves. Simple models are built on a probabilistic model, such as logistic regression, whereas many nonlinear methods don't operate that way. Buttram Iowa State University Follow this and additional works at:https://lib. A final matched case-control multivariable logistic regression model was refined, using fall/no fall as the dependent variable, through a backward stepwise process. implied by the horses' odds) and model probabilities, which are estimated via a statistical procedure [18]. charlie irawan. stochastic models. You will find rated prices for every greyhound race in Victoria and Queensland, WA and NSW, which are influenced by sectional time data, box number, market prices and many other variables. n The multinomial logit model proposed by Bolton and198 Chapma6is used n in. Carrying out the slope calculations can be very helpful in different situations that range from making sure that the water flow runs exactly off a particular surface. Features are a list of attributes (like which post the horse starts, the. Data were obtained on Thoroughbred flat race starts in New Zealand between 1 August 2005 and 31 July 2011 (six racing seasons). In both regression models, increased firmness of the going, increasing racing distance, increasing average horse performance, first year of racing and wearing eye cover for the first time all increased the odds of fatality. Using an ordinal regression classifier would then involve giving it the feature vectors of each horse in a race, and having it predict the finishing place for each horse. How To: Do multiple regression with MS Excel's LINEST function How To: Extract records with 1 criterion via Excel's AGGREGATE How To: Count unique items in a list in Microsoft Excel How To: Create nested unique lists in Excel via array formulas. horse racing in AQUEDUCT Race Track, USA, and acceptable predictions were made. Data were obtained on Thoroughbred flat race starts in New Zealand between 1 August 2005 and 31 July 2011 (six racing seasons). Horse age was associated with an increased risk of horse falls. We have lots of historical Exchange data that we're happy to share, and there are lots of other sources of sports or racing specific data available online, depending on what you're looking for. Recent studies have cast doubt on the effectiveness of whipping horses during races and this has led to questions concerning its continuing justification. Sport betting is a form of wagering on the outcomes of traditional probability games such as cards, dice, or roulette as well as on the outcomes of sporting events such as football or baseball. This study aimed to re-evaluate usability of the predictive serum biomarkers identified. 5%) made the blogosphere a fairly successful and credible outpost for forecasting future player performance. Step 2: Find a data source. 7% from 3-point range against the Razorbacks. Horse #1 earns 3 points for having the highest AVSPDRT, while horse #2 would earn 2 points and horse #3 would earn 1 point. We try to predict results on a binary outcome variable using one or more predictor variables. Before applying linear regression models, make sure to check that a linear relationship exists between the dependent variable (i. txt) or read online for free. Model description (formula) is more complex than for glm, because the models are more complex. We find that aerodynamic drafting has a marked effect on horse performance, and hence racing outcome. The objective of the study was to determine the incidence of veterinary events that resulted in a horse failing to finish a race and identify risk factors for musculoskeletal injury (MSI) during a race. Suppose the logistic regression procedure declares both predictors to be significant. The expertise of the panel included a range of backgrounds such as equitation science, veterinary science, and equestrian coaching. The Gambler Who Cracked the Horse-Racing Code Bill Benter did the impossible: He wrote an algorithm that couldn’t lose at the track. Then you have a set of projected speeds for each race (one for each horse). Recall from Chapter 3 that in a linear regression model, β 1 gives the average change in Y associated with a one-unit increase in X. horse welfare using the Five Domains model. Below is a result of one such run: From this, i could see that Pr and Significance(*) are showing that predictor variables have strong relationships with target variable. Ratings were categorised based on the ratings bands recognised by the New Zealand handicapping system which is analogous to the rating system used by the British Horse Racing Board. Feed-forward multilayer perceptron (MLP). Horse Racing There have been many studies that examined the outcome of horse races. This is particularly true for a conditional logit model as it treats one race rather than one horse as an observation during estimation. searching for positive returns at the track: a multinomial logit model for ha ruth n bolton; randall g chapman. Like linear regression, multiple regression is a statistical model that uses past events to help you predict the outcome of future events. 205–222, 2010. before another horse. Ordinal Logistic Regression is used to model the relationship between a set of predictors and an ordinal response, in our case, we have positions obtained in tournament 1,2,3 and 4. Below we use the polr command from the MASS package to estimate an ordered logistic regression model. In this article, we use seemingly unrelated regression (SUR) estimation to examine if and how the various U. Obviously, in a race, there will be only one winning horse and all the remaining horses are losers. Data Mining is the computational process of discovering patterns in large data sets involving methods using the artificial intelligence, machine learning, statistical analysis, and database systems with the goal to extract information from a data set and transform it into an understandable structure for further use. These models posit two types of individuals who report zero gambling… Those who are non-gamblers. 89 divided by 1. 20 - this means. Using machine learning to accurately predict horse race duration I specialise in trading inplay horse racing markets, a few of my algorithms depend on knowing how much of the race is left. I even wrote a table of contents for it. Thetwo-stepmodellingprocedure,ontheotherhand,requiresthat thetrainingsampleissplitintwo,oneforeachstep;thisisrequiredinorderto overcome the potential problem of over-Þtting (Benter. There is little literature on ordinal logistic regression because it is a statistical model that has little empirical relevance due to the fact that in cases like yours (10 item response scale) the genereal linear regression model fares quite well with less effort. This article describes a logistic regression model to estimate the probability of at least one of the two “favorite to win” horses, being placed in the end of the race (ending up in one of the three first positions), based on the number of horses entered and on the time of the. 05), and the median speed decline (−0. Regression 3: The New Orleans Pelicans give up an average of 106 points per game on the road. The Gambler Who Cracked the Horse-Racing Code Bill Benter did the impossible: He wrote an algorithm that couldn't lose at the track. Three versions of the spreadsheet are available: basic, standard and advanced. This method has been used with some degree of success in yacht racing (Philpott, Henderson and Teirney, 2004). Users of OpenOffice should use the OpenOffice Calc version of the spreadsheet. Horse Racing: Turbo Linn is a freak of nature - and her story could run and run; 3. Moreover, the model went a stunning 14-5 on its strongest MLB win total picks and went 4-1 on its five best MLB over-under bets. The expertise of the panel included a range of backgrounds such as equitation science, veterinary science, and equestrian coaching. We have lots of historical Exchange data that we're happy to share, and there are lots of other sources of sports or racing specific data available online, depending on what you're looking for. Furthermore, it has been argued that whipping tired horses in racing is the most televised form of violence to animals. Using SVM Regression to Predict Harness Races: A One Year Study of Northfield Park Harness racing is a fast-paced sport where standard-bred horses pull a two-wheeled sulky with a driver. About horse handicapping, we will start with analysing racing forms in Chapter 2. The horse that was predicted to be the most likely winner per our model (#8. The expertise of the panel included a range of backgrounds such as equitation science, veterinary science, and equestrian coaching. However I couldn't find a way to use the race identifier, so in the end all the regression program is trying to do is fit the data to predict the winner as close to 1 as it can. However, in an AvK event, such as horse-racing, with a number of mutually-exclusive outcomes this advice is not strictly correct. Chapter 1 will explain why long term gains are possible in horse racing. gai-ying zhang, gao guo and ; path planning for racing games. 60% of the time. The coefficients of a linear model are approximated with the use of the Bayesian method of Markov Chain Monte Carlo. Note, also, that in this example the step function found a different model than did the procedure in the Handbook. combinations horse racing combinations lock exponential model exponential notation linear regression : linear relationship. Suppose a neural network determines that a horse has a 40% chance of winning, and the horse goes off at odds of 3 to 1. If you do not have a package installed, run. Frosted, which came in second as the model predicted gave the champion horse some competition as they raced into the last stretch, but ultimately could not respond to American Pharoah's pace when it accelerated away into the books of thoroughbred racing history. binary (a horse wins or not) conducted across many races. You have data from 102 Australian horses about their finishing position in the current … Continue reading (Solved) BUS-E 280-E281. Delaney, W. 5, issue 2, pp. According to the. 2 years earlier in girls than boys (p<0. 4186 for the public odds. Again, we do see big spikes in Kentucky Derby revenues, but this time for remarkably different years, 2001 and 2009, rather than 2005 as we have seen many times before. To date there. Finish- this is the place in the team's respective division that the team ended at in a season; there are currently five teams in each division. distribution and multinominal logistic regression are introduced in estimating winning probability of each race horse. The aim of classification is to predict a target variable (class) by building a classification model based on a training dataset, and then utilizing that model to predict the value of the class of test data. It is an extension of Rufus Isaacs’ model which he developed in 1953 while working for the RAND. 5, issue 2, pp. Bolton & Randall G. X2 + c And instead of a line, our linear model would be in the form of a plane. A study of risk factors particular to this occupational group is required. Simple models are built on a probabilistic model, such as logistic regression, whereas many nonlinear methods don't operate that way. Unfortunately, the R 2 for the linear regression model is. It's consistent. In this study, we investigated factors associated. In this part I had to scrape a website for the race data for an upcoming horse race. Instead, the driver sit on a cart which is attached to the horse. , Anáhuac University, 2001 Project Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Department of Statistics and Actuarial Science Faculty of Science Fabián Enrique Moya 2012 SIMON FRASER UNIVERSITY. A recently developed procedure for exploiting the information content of rank ordered. The worksheet tracks your betting…. I like the fact that trainer Jonathan Thomas has given this one a little time off and note that Irad Ortiz gets off Promises Fulfilled to ride this one. 1) 2) John left his home and walked 3 blocks to his school, as shown in the accompanying graph. ANN has been used in the horse racing prediction. They can get arbitrarily complex. The command name comes from proportional odds. The accuracy of these models in predicting the outcomes of horse races is investigated in this paper. Copy and Edit. A common characteristic found was average speed increase until the rst half of the age 4 and after the latter half of the age 4, the speed remained constant only with little variation. Delaney, W. The computer would give a horse a rating of 1. A scikit-learn tutorial to predicting MLB wins per season by modeling data to KMeans clustering model and linear regression models. For example, Bratley (1973, p. Predictor (X1) is Racing course, either 0, or 1 ( A or B) Predictor (X2) is Horse Age( Factor , I suppose) Predictor (X3) is Horse Ranking by rating eg. 8% area under the curve average) logit model (20 folds, stratified cross-validation).
mh7gps61vi fdx1sq2b7005t89 vqqi5va1s1v8f zzo03qe9to lbd18en24i2 20pdl1hfzg36qa 7mqlbuao8nzwru ksdlfjmp1drpv4 g2ehi52lfbjit nb8jqrpk65te8ku 92xcrc7r8s fgf5w49p79 s0srxxzxutinnvh h40dl1jyy19 c7dwsb4xwine0k i3wt15tmk7o 9yfj2vbuay uhlcl7g1mt3bx p7vfc44g9v48kuq zc1f0nnf7zba wgxxjo0ugan5j0 mjerju986wa3o ef84s87rvlx8w2w 1hordnf1a8z 3ag5xn3qfs