dropLevels: Drop unused levels in a factor.

In tsieger/tsiMisc: Miscelaneous utility functions, mostly related to exploratory statistical analysis

Drop unused levels in a factor.

Description

This is only a wrapper for drop.levels

Usage

dropLevels(x, reorder = TRUE, 
    ...)

Arguments

x	object to be processed
reorder	should factor levels be reordered using gdata::reorder.factor?
...	additional arguments to 'reorder.factor'

Value

Input object without unused levels.

Author(s)

Tomas Sieger

See Also

drop.levels

Examples

f<-factor(c(NA,1,1,2),levels=c(0,1,2),labels=c('a','b','NA'))
dropLevels(f)

tsieger/tsiMisc documentation built on Dec. 14, 2024, 3:23 p.m.