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

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

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

Cecile Proust-Lima, Lionelle Nkam and Viviane Philipps