rank correlation — noun : a measure of correlation depending on rank * * * ˈrank correlation 7 [rank correlation] noun uncountable (statistics) a method for finding to what extent two s … Useful english dictionary
rank correlation coefficient — the correlation coefficient of two variables calculated after ranks have been substituted for actual values. See also Kendall rank correlation c. and Spearman rank correlation c … Medical dictionary
rank correlation — noun Date: 1907 a measure of correlation depending on rank … New Collegiate Dictionary
rank correlation — noun Statistics an assessment of the degree of correlation between two ways of ranking the members of a set … English new terms dictionary
Spearman's rank correlation coefficient — In statistics, Spearman s rank correlation coefficient or Spearman s rho, named after Charles Spearman and often denoted by the Greek letter ho (rho) or as r s, is a non parametric measure of correlation ndash; that is, it assesses how well an… … Wikipedia
Kendall tau rank correlation coefficient — The Kendall tau rank correlation coefficient (or simply the Kendall tau coefficient, Kendall s tau; or tau test(s)) is a non parametric statistic used to measure the degree of correspondence between two rankings and assessing the significance of… … Wikipedia
Spearman rank correlation coefficient — a rank correlation coefficient used when both variables represent ordinal data in an unlimited ranking, such as class standing, so that each sample is assigned a unique rank. Symbol rs. Called also Spearman rho. Cf. Kendall rank correlation c … Medical dictionary
Kendall rank correlation coefficient — a rank correlation coefficient used when both variables represent ordinal data in a limited number of grades, such as the categories none, mild, moderate, and severe, so that multiple samples can be assigned to each grade; called also Kendall tau … Medical dictionary
Kendall rank correlation coefficient (tau) — Ken·dall rank correlation coefficient (tau) (kenґdəl) [Maurice George Kendall, British statistician, 1907–1983] see under coefficient … Medical dictionary
Spearman rank correlation coefficient (rho) — Spear·man rank correlation coefficient (rho) (spērґmən) [Charles Edward Spearman, British psychologist, 1863–1945] see under coefficient … Medical dictionary