Helper function to create model matrices for categorical ILVs
Usage
generate_X_matrix(ilv_vector, ilv_name, n_levels)
Arguments
- ilv_vector
c() of ILV values
- ilv_name
name to use for column
- n_levels
number of levels in factor
Value
matrix of size [N,L-1\] where L=num levels
[N,L-1]: R:N,L-1%5C