mkrandom {MFDA} | R Documentation |
Generate entries representing random effect matrix
mkrandom(formula, data)
formula |
Symbolic description of the random effects. |
data |
Data frame. |
This function generates random effects terms from simple grouping variables, for use in nonparametric mixed-effect models as described in Gu and Ma (2003a, b).
A list of three components.
z |
Z matrix. |
sigma |
Sigma matrix to be evaluated through
sigma$fun(para,sigma$env) . |
init |
Initial parameter values. |
This program intrinsic function for MFclust. User cannot specify the parameters.
pingma@uiuc.edu