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- этимология
Что (кто) такое F-score - определение
F-score
MEASURE OF A TEST'S ACCURACY
F-measure; F1 score; F1 Score; F measure; F score; F1 measure
In statistical analysis of binary classification, the F-score or F-measure is a measure of a test's accuracy. It is calculated from the precision and recall of the test, where the precision is the number of true positive results divided by the number of all positive results, including those not identified correctly, and the recall is the number of true positive results divided by the number of all samples that should have been identified as positive.
Piotroski F-score
FINANCIAL ANALYSIS, ANALYSIS OF FINANCIAL STATEMENTS
Piotroski F-Score
Piotroski F-score is a number between 0 and 9 which is used to assess strength of company's financial position. The score is used by financial investors in order to find the best value stocks (nine being the best).
Score (statistics)
GRADIENT OF THE LIKELIHOOD FUNCTION
Efficient score
In statistics, the score (or informant) is the gradient of the log-likelihood function with respect to the parameter vector. Evaluated at a particular point of the parameter vector, the score indicates the steepness of the log-likelihood function and thereby the sensitivity to infinitesimal changes to the parameter values.
Примеры употребления для F-score
1. If Democrats A, B and C score 5, 8 and 10 while Republicans D, E and F score only 2, 4 and 6 on our hypothetical scale, the experiments suggest most Democrats will be happy with any of the choices –– because they are picking from a strong field –– whereas Republicans will be unhappy with all their choices, because they are picking from a weaker field.