A set of helper functions for modelsum.

is.modelsum(x)

is.summary.modelsum(x)

na.modelsum(object, ...)

Arguments

x

A modelsum object.

object

A data.frame resulting from evaluating a modelsum formula.

...

Other arguments, or a vector of indices for extracting.

Value

na.modelsum returns a subsetted version of object (with attributes).

See also