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mda (version 0.4-8)
model.matrix.mars: Produce a Design Matrix from a `mars' Object
Description
Produce a design matrix from a `mars' object.
Usage
"model.matrix"(object, x, which, full = FALSE, ...)
Arguments
object
a mars object.
x
optional argument; if supplied, the mars basis functions are evaluated at these new observations.
which
which columns should be used. The default is to use the columns described by the component
selected.terms
on
object
.
full
if
TRUE
the entire set of columns are selected, even redundant ones. This is used for updating a mars fit.
...
further arguments to be passed from or to methods.
Value
A model matrix corresponding to the selected columns.
See Also
mars
,
predict.mars