product-moment correlation coefficient
41Rho — may refer to: NOTOC *Rho (letter), a letter of the Greek alphabet, upper case Ρ, lower case ρymbols;in mathematics * Spectral radius in a spherical coordinate system;in physics * Density of a material * Volume charge density * Resistivity of a… …
42Psychological statistics — is the application of statistics to psychology. Some of the more common applications include: #psychometrics #learning theory #perception #human development #abnormal psychology #Personality test #psychological testsSome of the more commonly used …
43Fleiss' kappa — is a statistical measure for assessing the reliability of agreement between a fixed number of raters when assigning categorical ratings to a number of items or classifying items. This contrasts with other kappas such as Cohen s kappa, which only… …
44R-value — can refer to: * Properties of materials: **R value (insulation), the efficiency of insulation **R value (soils), stability of soils and aggregates for pavement construction* r value, in computer science, a value that has an address in a computer… …
45Copula (statistics) — In statistics, a copula is used as a general way of formulating a multivariate distribution in such a way that various general types of dependence can be represented. Other ways of formulating multivariate distributions include conceptually based …
46History of psychology — The history of psychology as a scholarly study of the mind and behavior dates back to the Ancient Greeks. There is also evidence of psychological thought in ancient Egypt. Psychology was a branch of philosophy until the 1870s, when psychology… …
47Parametric statistics — are statistics where the population is assumed to fit any parametrized distributions (most typically the normal distribution). The opposite is non parametric statistics.Parametric inferential statistical methods are mathematical procedures for… …
48R (disambiguation) — R is the eighteenth letter of the Latin alphabet. It may also refer to:* R (programming language), an environment for statistical computing and graphics * IBM System R, an IBM database system * R (complexity), the set of all recursive languages * …
49Linear regression — Example of simple linear regression, which has one independent variable In statistics, linear regression is an approach to modeling the relationship between a scalar variable y and one or more explanatory variables denoted X. The case of one… …
50Ordinary least squares — This article is about the statistical properties of unweighted linear regression analysis. For more general regression analysis, see regression analysis. For linear regression on a single variable, see simple linear regression. For the… …
