contr.earth.response {earth}

Please ignore

Description

Contrasts function for factors in the earth response. For internal use by earth.

Usage

contr.earth.response(x, base, contrasts)

Arguments

x

a factor

base

unused

contrasts

unused

Value

Returns a diagonal matrix. An example for a 3 level factor with levels A, B, and C:

      A B C
    A 1 0 0
    B 0 1 0
    C 0 0 1

Note

Earth uses this function internally. You shouldn't need it. It is made publicly available only because it seems that is necessary for model.matrix.

See Also

contrasts