subset.ff: Subsetting a ff vector or ffdfdata frame

In ffbase: Basic Statistical Functions for Package 'ff'

Description

Subsetting a ff vector or ffdfdata frame

Usage

## S3 method for class 'ff'
subset(x, subset, ...)

Arguments

x	ff vector or ffdf data.frame to be subset
subset	an expression, ri, bit or logical ff vector that can be used to index x
...	not used

Value

a new ff vector containing the subset, data is physically copied

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