In statistics, the correlation ratio is a measure of the curvilinear relationship between the statistical dispersion within individual categories and...

Pearson correlation coefficient (PCC) is a correlation coefficient that measures linear correlation between two sets of data. It is the ratio between...

problem Multiple correlation Point-biserial correlation coefficient Quadrant count ratio Spurious correlation Statistical correlation ratio Subindependence...

Coefficient of determination Correlation and dependence Correlation ratio Distance correlation Goodness of fit, any of several measures that measure how...

In statistics, spurious correlation of ratios is a form of spurious correlation that arises between ratios of absolute measurements which themselves are...

In statistics, Spearman's rank correlation coefficient or Spearman's ρ, named after Charles Spearman and often denoted by the Greek letter ρ {\displaystyle...

In statistics, the intraclass correlation, or the intraclass correlation coefficient (ICC), is a descriptive statistic that can be used when quantitative...

function (quantum field theory) Correlation function (statistical mechanics) Correlation inequality Correlation ratio Correlogram Correspondence analysis...

In signal processing, cross-correlation is a measure of similarity of two series as a function of the displacement of one relative to the other. This...

Autocorrelation, sometimes known as serial correlation in the discrete time case, is the correlation of a signal with a delayed copy of itself as a function...

event occurring. Note that the odds ratio is symmetric in the two events, and no causal direction is implied (correlation does not imply causation): an OR...

the Theory of Contingency and Its Relation to Association and Normal Correlation", part of the Drapers' Company Research Memoirs Biometric Series I published...

{\displaystyle z}  ; η 2 ( z , q ) {\displaystyle \eta ^{2}(z,q)} the squared correlation ratio between variables z {\displaystyle z} and q {\displaystyle q} . In...

hire portfolio managers with low and even negative Sharpe ratios, as long as their correlation to the other portfolio managers is sufficiently low. Goetzmann...

study examining the correlation between assertiveness in women and their digit ratio, which found that women with a lower 2D:4D ratio reported greater assertiveness...

Standard dimension ratio (SDR) is a method of rating a pipe's durability against pressure. The standard dimension ratio describes the correlation between the...

In statistics, the likelihood-ratio test is a hypothesis test that involves comparing the goodness of fit of two competing statistical models, typically...

letter “r.” Pearson’s correlation coefficient is used when both variables are measured on an interval or ratio scale. Other correlation coefficients or analyses...

In statistics, the Kendall rank correlation coefficient, commonly referred to as Kendall's τ coefficient (after the Greek letter τ, tau), is a statistic...

two binary variables. In machine learning, it is known as the Matthews correlation coefficient (MCC) and used as a measure of the quality of binary (two-class)...

In statistics, the concordance correlation coefficient measures the agreement between two variables, e.g., to evaluate reproducibility or for inter-rater...

four levels, or scales, of measurement: nominal, ordinal, interval, and ratio. This framework of distinguishing levels of measurement originated in psychology...

In probability theory and statistics, partial correlation measures the degree of association between two random variables, with the effect of a set of...

an intercept is included, then r2 is simply the square of the sample correlation coefficient (i.e., r) between the observed outcomes and the observed...

so does not convey the direction of the correlation between the two variables. Eta-squared describes the ratio of variance explained in the dependent variable...

James Durbin and Geoffrey Watson. The small sample distribution of this ratio was derived by John von Neumann (von Neumann, 1941). Durbin and Watson (1950...

In statistics, a rank correlation is any of several statistics that measure an ordinal association — the relationship between rankings of different ordinal...

There are a number of correlations for slip ratio. For homogeneous flow, S = 1 (i.e. there is no slip). The Chisholm correlation is: S = 1 − x ( 1 − ρ...

are correlations among the variables, then canonical-correlation analysis will find linear combinations of X and Y that have a maximum correlation with...

procedure is also called correlation disattenuation or the disattenuation of correlation. The correction assures that the Pearson correlation coefficient across...