getCovariate.corStruct: Extract corStruct Object Covariate

Description

This method function extracts the covariate(s) associated with object.

Usage

## S3 method for class 'corStruct':
getCovariate(object, form, data)

Arguments

Value

when the correlation structure does not include a grouping factor, the returned value will be a vector or a matrix with the covariate(s) associated with object. If a grouping factor is present, the returned value will be a list of vectors or matrices with the covariate(s) corresponding to each grouping level.

References

Pinheiro, J.C., and Bates, D.M. (2000) "Mixed-Effects Models in S and S-PLUS", Springer.

Examples

Run this code

cs1 <- corAR1(form = ~ 1 | Subject)
getCovariate(cs1, data = Orthodont)

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