Estimates, standard errors and Wald test for the parameters of the variance-covariance matrix of the random effects.

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Description

Fromm the Cholesky transformed parameters, this function provides estimates, standard errors and Wald test for the parameters of the variance-covariance matrix of the random effects.

Usage

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## S3 method for class 'hlme'
VarCovRE(Mod)
## S3 method for class 'lcmm'
VarCovRE(Mod)
## S3 method for class 'Jointlcmm'
VarCovRE(Mod)
## S3 method for class 'multlcmm'
VarCovRE(Mod)

Arguments

Mod

an object of class hlme, lcmm, multlcmm or Jointlcmm

Value

a matrix containing the estimates of the parameters of the variance-covariance matrix of the random effects, their standard errors, and, for the covariance parameters, the Wald statistic and the associated p-value.

Author(s)

Cecile Proust-Lima, Lionelle Nkam and Viviane Philipps

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