Useful english dictionary. 2012.
rank-difference correlation coefficient — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation coefficient, ↑rank order correlation, ↑rank difference correlation • Topics: ↑statistics •… … Useful english dictionary
rank-order correlation — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation coefficient, ↑rank difference correlation coefficient, ↑rank difference correlation • Topics:… … Useful english dictionary
rank-difference correlation — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation coefficient, ↑rank order correlation, ↑rank difference correlation coefficient • Topics:… … Useful english dictionary
Point-biserial correlation coefficient — The point biserial correlation coefficient ( rpb ) is a correlation coefficient used when one variable (e.g. Y ) is dichotomous; Y can either be naturally dichotomous, like gender, or an artificially dichotomized variable. In most situations it… … Wikipedia
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
Correlation — In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two random variables. In general statistical usage, correlation or co relation … Wikipedia
correlation — 1. The mutual or reciprocal relation of two or more items or parts. 2. The act of bringing into such a relation. 3. The degree to which variables change together. product moment c. a statistical procedure which yields the c. coefficient referred… … Medical dictionary
Partial correlation — In probability theory and statistics, partial correlation measures the degree of association between two random variables, with the effect of a set of controlling random variables removed. Contents 1 Formal definition 2 Computation 2.1 Using… … Wikipedia
Gini coefficient — The Gini coefficient is a measure of statistical dispersion most prominently used as a measure of inequality of income distribution or inequality of wealth distribution. It is defined as a ratio with values between 0 and 1: A low Gini coefficient … Wikipedia
distribution free statistic — noun a statistic computed without knowledge of the form or the parameters of the distribution from which observations are drawn • Syn: ↑nonparametric statistic • Topics: ↑statistics • Hypernyms: ↑statistic • Hyponyms: ↑ … Useful english dictionary
