model_get_model_matrix: Get the model matrix of a model
Description
The structure of the object returned by stats::model.matrix()
could slightly differ for certain types of models.
model_get_model_matrix() will always return an object
with the same structure as stats::model.matrix.default().
Usage
model_get_model_matrix(model)
# S3 method for default
model_get_model_matrix(model)
# S3 method for multinom
model_get_model_matrix(model)