ffdfappend

<code>ffdf</code> object where data will be appended to. If <code>x==NULL</code> a new <code>ffdf</code> object will be created

<code>ffdf</code> object or <code>data.frame</code> object

should factors be recoded (default), or not (faster)

recode

logical, indicating to coerce the columns of <code>x</code> to a higher <code>vmode</code> to make sure <code>y</code> is appended without loss of information.

adjustvmode

Further arguments passed to <code><a rd-options="" href="/link/as.ffdf?package=ffbase&version=0.12.7" data-mini-rdoc="ffbase::as.ffdf">as.ffdf</a></code>, when <code>x==NULL</code>

Appends a dataframe or an <code>ffdf</code> called <code>dat</code> to an existing <code>ffdf</code> called <code>x</code>. 
Please note that the data of <code>x</code> will be coerced to the type of <code>y</code> if the corresponding column of <code>y</code> has a higher <code>vmode</code>.

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'

ffdfappend function

Further arguments passed to <code><a rd-options='' href='as.ffdf'>as.ffdf</a></code>, when <code>x==NULL</code>

ffdfappend: Append a dataframe or an `ffdf` to another `ffdf`

Description

Usage

Arguments

Value

See Also