Variance-Covariance Matrix
This is an auxiliary function.
covHandling(theta, n, cov_name, quad_type)
theta
unique parameters of the variance-covariance matrix of the random effects as returned by lqmm in theta_z.
lqmm
theta_z
n
dimension of the vector of random effects.
cov_name
see argument covariance in lqmm.
covariance
quad_type
type of quadrature "c("normal","robust")".
Marco Geraci
VarCorr.lqmm
Linear Quantile Mixed Models
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