droplevels-data.frame-method: #' Drop Unused Levels from Vectors #' #' This is an...

Description Usage Arguments Details Value

Description

setMethod( f = "droplevels" , signature = "vector" , definition = function(x) x )

Usage

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## S4 method for signature 'data.frame'
droplevels(x, except = NULL, exclude)

Arguments

x

An atomic vector or annotated vector.

Details

Drop Unused Levels from Data Frames

This is a copy from the S3-method from the base package.

Value

x, unchanged.


mariusbarth/annotate4 documentation built on May 7, 2019, 3:14 p.m.