covariate
- co·va·ri·ate (ko-varґe-ət) a variable that is related to a second variable.
Medical dictionary. 2011.
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Covariate — In statistics, a covariate is a variable that is possibly predictive of the outcome under study. A covariate may be of direct interest or it may be a confounding or interacting variable. The alternative terms explanatory variable, independent… … Wikipedia
covariate — noun Date: 1965 any of two or more random variables exhibiting correlated variation … New Collegiate Dictionary
covariate — noun A variable that is possibly predictive of the outcome under study. See Also: covary, covariance … Wiktionary
covariate — co·variate … English syllables
covariate — Stats a variable that is not crucial in an investigation but may affect the crucial variables from which a model is being built … The ultimate business dictionary
covariate — ¦kōˌ noun Etymology: co + variate (II) : any of two or more random variables exhibiting correlated variation … Useful english dictionary
Time-varying covariate — A time varying covariate is a term used in statistics, particularly in survival analyses. It reflects the phenomenon that a covariate is not necessarily fixed. For instance, if one wishes to examine the link between area of residence and cancer,… … Wikipedia
Linear 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… … Wikipedia
Analysis of covariance — (ANCOVA) is a general linear model with one continuous outcome variable and one or more factors. ANCOVA is a merger of ANOVA and regression for continuous variables. ANCOVA tests whether certain factors have an effect on the outcome variable… … Wikipedia
Proportional hazards models — are a class of survival models in statistics. Survival models relate the time that passes before some event occurs to one or more covariates that may be associated with that quantity. In a proportional hazards model, the unique effect of a unit… … Wikipedia
