Score function

Score function

The term score function may refer to:
* Scoring rule, in decision theory, a measure of one's performance when making decisions under uncertainty
* Score (statistics), the derivative of the log-likelihood function with respect to the parameter

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  • Score (statistics) — In statistics, the score or score function is the partial derivative, with respect to some parameter heta, of the logarithm (commonly the natural logarithm) of the likelihood function.If the observation is X and its likelihood is L( heta;X), then …   Wikipedia

  • Score — may refer to:Numbers and statistics*Score (game), a number of points achieved in a sporting event or game. *a unit of twenty, as in Abraham Lincoln s Gettysburg Address. *Score (statistics), the derivative, with respect to some parameter θ, of… …   Wikipedia

  • Score test — A score test is a statistical test of a simple null hypothesis that a parameter of interest heta isequal to some particular value heta 0. It is the most powerful test when the true value of heta is close to heta 0.ingle parameter testThe… …   Wikipedia

  • R score — The R score (cote de rendement au collégial, CRC or cote R in French) is a statistical method which classifies college students academic performances in Quebec. It is used by Quebec universities for selection purposes. The R score is in fact a z… …   Wikipedia

  • Brier score — A Brier score is a proper score function that measures the accuracy of a set of probability assessments. Proposed by Brier (1950), it is the average squared deviation between predicted probabilities for a set of events and their outcomes, so a… …   Wikipedia

  • Variadic function — In computer programming, a variadic function is a function of variable arity; that is, one which can take different numbers of arguments. Support for variadic functions differs widely among programming languages.There are many mathematical and… …   Wikipedia

  • Evaluation function — An evaluation function, also known as a heuristic evaluation function or static evaluation function, is a function used by game playing programs to estimate the value or goodness of a position in the minimax and related algorithms. The evaluation …   Wikipedia

  • Likelihood function — In statistics, a likelihood function (often simply the likelihood) is a function of the parameters of a statistical model, defined as follows: the likelihood of a set of parameter values given some observed outcomes is equal to the probability of …   Wikipedia

  • The Score Television Network — Infobox TV channel name = The Score Television Network logofile = Score TV Network logo.svg logoalt = Score TV Network logo logosize = 200px launch = May 1997 closed date = picture format = 420p SD 720p HD share = share as of = share source =… …   Wikipedia

  • Discriminant function — (also called modified Maddrey s discriminant function) was originally described by Maddrey and Boitnott [cite journal |author=Maddrey WC, Boitnott JK, Bedine MS, Weber FL, Mezey E, White RI |title=Corticosteroid therapy of alcoholic hepatitis… …   Wikipedia

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