laf_to_ffdf

laf object pointing to a csv or fwf file

optional, <code><a rd-options="" href="/link/ffdf?package=ffbase&version=0.13.3" data-mini-rdoc="ffbase::ffdf">ffdf</a></code> object where laf data should be appended to.

number of rows per block, passed on to <code>next_block</code>

nrows, 

NULL or a function that is called on each data.frame chunk which is read in using <code>next_block</code>. 
This can be used for filtering and data transformations.

transFUN

passed on to <code>next_block</code>

Use <code>LaF</code> to import data into a <code><a rd-options="" href="/link/ffdf?package=ffbase&version=0.13.3" data-mini-rdoc="ffbase::ffdf">ffdf</a></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'

laf_to_ffdf function

optional, <code><a rd-options='' href='ffdf'>ffdf</a></code> object where laf data should be appended to.

Use <code>LaF</code> to import data into a <code><a rd-options='' href='ffdf'>ffdf</a></code> data.frame

laf_to_ffdf: Use LaF to import data into `ffdf` data.frame

Description

Usage

Arguments