nlme (version 3.1-86)

varFunc: Variance Function Structure

Description

If object is a one-sided formula, it is used as the argument to varFixed and the resulting object is returned. Else, if object inherits from class varFunc, it is returned unchanged.

Usage

varFunc(object)

Arguments

Value

an object from class varFunc, representing a variance function structure.

See Also

summary.varFunc, varFixed, varWeights.varFunc, coef.varFunc

Examples

Run this code
vf1 <- varFunc(~age)

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