Question

what is a contrast variable



In c language

Answer 1

constant variable. A variable whose value cannot be changed once it has been assigned a value. See also dependent variable, independent variable.

Answer 2

here is your answer...

Contrast (statistics) From Wikipedia, the free encyclopedia. In statistics, particularly in analysis of variance and linear regression, a contrast is a linear combination of variables(parameters or statistics) whose coefficients add up to zero, allowing comparison of different treatments.

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