ffappend: Append a ff vector to another ff vector

In ffbase: Basic Statistical Functions for Package 'ff'

Description

Appends (ff) vector y to ff vector x. Please note that the data of x will be coerced to the type of y if y has a higher vmode.

Usage

ffappend(x, y, adjustvmode = TRUE, ...)

Arguments

x	ff object where data will be appended to. If x==NULL a new ff object will be created
y	ff object or vector object
adjustvmode	logical, indicating to coerce x to a higher vmode to make sure y is appended without loss of information.
...	parameter that will be passed on to chunk interally

Value

ff object with same physical storage as x unless y has a higher vmode in which case the data will be cloned to the higher vmode

See Also

c.ff

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