Pearson's correlation coefficient

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• Correlation coefficient — may refer to: Pearson product moment correlation coefficient, also known as r, R, or Pearson s r, a measure of the strength of the linear relationship between two variables that is defined in terms of the (sample) covariance of the variables… …   Wikipedia

• Pearson product-moment correlation coefficient — In statistics, the Pearson product moment correlation coefficient (sometimes referred to as the MCV or PMCC, and typically denoted by r ) is a common measure of the correlation between two variables X and Y . In accordance with the usual… …   Wikipedia

• correlation coefficient — noun a statistic representing how closely two variables co vary; it can vary from 1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation) what is the correlation between those two variables? • Syn:… …   Useful english dictionary

• correlation coefficient — a statistical measure that when squared gives the degree of association between the values of two random variables. Most correlation coefficients are normalized so that they have values between +1 (perfect correlation) and −1 (perfect… …   Medical dictionary

• Pearson product-moment correlation coefficient — noun the most commonly used method of computing a correlation coefficient between variables that are linearly related • Syn: ↑product moment correlation coefficient • Topics: ↑statistics • Hypernyms: ↑correlation coefficient, ↑coefficient of… …   Useful english dictionary

• Pearson correlation coefficient — Pear·son correlation coefficient (pērґsən) [Karl Pearson, British statistician, 1857–1936] see under coefficient …   Medical dictionary

• Pearson correlation coefficient — the most common correlation coefficient; it is the covariance of two random variables divided by the product of their standard deviations. Called also product moment correlation c. See also correlation c …   Medical 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

• 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

• product-moment correlation coefficient — noun the most commonly used method of computing a correlation coefficient between variables that are linearly related • Syn: ↑Pearson product moment correlation coefficient • Topics: ↑statistics • Hypernyms: ↑correlation coefficient, ↑coefficient …   Useful english dictionary