buildModelMatrix: Build model matrix
Description
a function to create a model matrix with all predictor terms in
both the group level and fixed effect level
Usage
buildModelMatrix(model, newdata, which = "full")
Arguments
- model
a merMod object from lme4
- newdata
a data frame to construct the matrix from
- which
a character which matrix to return,default is full matrix with fixed and
random terms, other options are "fixed" and "random"