Methods to extract transformed model matrix for "feis" objects.
Usage
# S3 method for feis
model.matrix(object, ...)
Arguments
object
an object of class "feis".
...
further arguments.
Value
An object of class "matrix" for model.matrix.
Details
model.matrix for feis objects returns the model or design matrix
of the respective FEIS model. This is the transformed (de-trended) data,
which is used for estimation of the model in lm().