tau coefficient of correlation

English Thesaurus

1. a nonparametric measure of the agreement between two rankings (noun.cognition)

hypernym	:	kendall test,
definition	:	any of several nonparametric measures of correlation (used when the assumptions of standard correlational analysis are not met) (noun.cognition)

domain category	:	statistics,
definition	:	a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters (noun.cognition)