Log 5 is a formula invented by Bill James to estimate the probability that team A will win a game, based on the true winning percentage of Team A and Team B. It is equivalent to the BradleyTerryLuce model used for paired comparisons, the Elo rating system used in chess and the Rasch model used in the analysis of categorical data. Let be the fraction of games won by team and also let be the fraction of games lost by team . The Log5 estimate for the probability of A defeating B is . A few notable properties * If , Log5 will always give A a 100% chance of victory * If , Log5 will give A a .
Property  Value 

dbo:abstract 

dbo:wikiPageID 

dbo:wikiPageRevisionID 

dct:subject  
rdf:type  
rdfs:comment 

rdfs:label 

owl:sameAs  
prov:wasDerivedFrom  
foaf:isPrimaryTopicOf  
is foaf:primaryTopic of 