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pwr4exp (version 1.0.1)

mkRTrms: Residual Variance-Covariance Matrices

Description

Residual Variance-Covariance Matrices

Usage

mkRTrms(data, correlation = NULL)

Value

A list containing:

  • corStruct: An initialized correlation structure.

  • corframe: A processed data frame with indexed grouping variables and ordering for correlation structures.

  • R: A block-diagonal residual variance-covariance structure, not yet scaled by the residual variance

Arguments

data

a data frame with grouping factors and covariates.

correlation

a corStruct object created by corClasses functions. If NULL, an identity matrix is assumed.