In statistics, correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data. Although...

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

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 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...

A correlation coefficient is a numerical measure of some type of linear correlation, meaning a statistical relationship between two variables. The variables...

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...

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

The phrase "correlation does not imply causation" refers to the inability to legitimately deduce a cause-and-effect relationship between two events or...

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

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

Correlation is a measure of relationship between two mathematical variables or measured data values, which includes the Pearson correlation coefficient...

Phase correlation is an approach to estimate the relative translative offset between two similar images (digital image correlation) or other data sets...

Terms such as correlation diagram(s), diagram(s) of correlation, and the like may refer to: Data visualization, the general process of presenting information...

A correlation inequality is any of a number of inequalities satisfied by the correlation functions of a model. Such inequalities are of particular use...

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

Correlation attacks are a class of cryptographic known-plaintext attacks for breaking stream ciphers whose keystreams are generated by combining the output...

negative. A negative correlation between variables is also called anticorrelation or inverse correlation. Negative correlation can be seen geometrically...

A correlation function is a function that gives the statistical correlation between random variables, contingent on the spatial or temporal distance between...

The Orion correlation theory is a fringe theory in Egyptology attempting to explain the arrangement of the Giza pyramid complex. It posits that there...

In statistics, the interclass correlation (or interclass correlation coefficient) is a measure of a relation between two variables of different classes...

finance, correlation trading is a strategy in which the investor gets exposure to the average correlation of an index. The key to correlation trading is...

In statistics and in probability theory, distance correlation or distance covariance is a measure of dependence between two paired random vectors of arbitrary...

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...

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

In quantum mechanics, quantum correlation is the expected value of the product of the alternative outcomes. In other words, it is the expected change...

In psychology, illusory correlation is the phenomenon of perceiving a relationship between variables (typically people, events, or behaviors) even when...

characteristics of the data (estimation), describing associations within the data (correlation), and modeling relationships within the data (for example, using regression...

Electronic correlation is the interaction between electrons in the electronic structure of a quantum system. The correlation energy is a measure of how...

probability theory and statistics, the mathematical concepts of covariance and correlation are very similar. Both describe the degree to which two random variables...