droplevels.ff: The function 'droplevels' is used to drop unused levels from...

Description Usage Arguments Value See Also

View source: R/droplevels.R

Description

The function droplevels is used to drop unused levels from a ff factor or , more commonly, from factors in a ffdf

Usage

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## S3 method for class 'ff'
droplevels(x, ..., inplace = FALSE)

Arguments

x

ff object

...

not used

inplace

if TRUE the columns will be physically changed, otherwise (default) a new ff vector will be created

Value

ff object where levels of factors are dropped

See Also

droplevels droplevels.ffdf


ffbase documentation built on Feb. 27, 2021, 5:06 p.m.