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Covariate

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In statistics, a covariate is a variable that is possibly predictive of the outcome under study. A covariate may be of direct interest or be a confounding variable or effect modifier.

Also called covariable. An independent variable, or predictor, in a regression equation. Also, a secondary variable that can affect the relationship between the dependent variable and independent variables of primary interest in a regression equation

In econometrics, term "control variable" is usually used instead of covariate.

[edit] Reference

  • A Dictionary of Epidemiology: Fourth Edition. John M Last ed. Oxford UP 2001.
Smallwikipedialogo.png This page uses content from the English-language version of Wikipedia. The original article was at Covariate. The list of authors can be seen in the page history. As with Psychology Wiki, the text of Wikipedia is available under the GNU Free Documentation License.

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