transform.ffdf

<code><a rd-options="" href="/link/ffdf?package=ffbase&version=0.12.7" data-mini-rdoc="ffbase::ffdf">ffdf</a></code> data object to be transformed.

_data

named arguments that will be added to the <code>ffdf</code> data.frame

Same functionality as <code><a rd-options="" href="/link/transform?package=ffbase&version=0.12.7" data-mini-rdoc="ffbase::transform">transform</a></code>, but on a <code>ffdf</code> object. Please note that you should write
your expression as if it is a normal <code>data.frame</code>. The resulting data.frame
however will be a <code>ffdf</code> data.frame.

Extends the out of memory vectors of 'ff' with
statistical functions and other utilities to ease their usage.

Edwin Jonge

ffbase

Basic Statistical Functions for Package 'ff'

transform.ffdf function

<code><a rd-options='' href='ffdf'>ffdf</a></code> data object to be transformed.

Same functionality as <code><a rd-options='' href='transform'>transform</a></code>, but on a <code>ffdf</code> object. Please note that you should write
your expression as if it is a normal <code>data.frame</code>. The resulting data.frame
however will be a <code>ffdf</code> data.frame.

transform.ffdf: Transform a ffdf data.frame

Description

Usage

Arguments

Value

Examples