Delete intercept from model matrix
A utility function to delete any intercept column from a model matrix,
and adjust the "assign"
attribute correspondingly. It is used
by formula handling functions like mvr
and model.matrix.mvr
.
delete.intercept(mm)
mm |
Model matrix. |
A model matrix without intercept column.
Bjørn-Helge Mevik and Ron Wehrens
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