drop.levels {gdata}R Documentation

Drop unused factor levels

Description

Drop unused factor levels for every factor variable in a data frame.

Usage

drop.levels(x, reorder = TRUE, ...)

Arguments

x a data frame
reorder should factor levels be reordered using reorder.factor?
... additional arguments to reorder.factor

Value

a data frame

Author(s)

Jim Rogers james_a_rogers@groton.pfizer.com


[Package gdata version 2.0.6 Index]