length.ffdf {ff}

Getting length of a ffdf dataframe

Description

Getting "length" (number of columns) of a ffdf dataframe

Usage

## S3 method for class 'ffdf'
length(x)

Arguments

x

an ffdf object

Value

integer number of columns

Author(s)

Jens Oehlschlägel

See Also

dim.ffdf, length.ff, ffdf

Examples

  length(as.ffdf(data.frame(a=1:26, b=letters, stringsAsFactors = TRUE)))
  gc()