R: Use LaF to import data into 'ffdf' data.frame

laf_to_ffdf {ffbase} | R Documentation

## Use LaF to import data into `ffdf` data.frame

### Description

Use `LaF` to import data into a `ffdf` data.frame

### Usage

    laf_to_ffdf(laf, x = NULL, nrows = 1e+05, transFUN = NULL, ...)

### Arguments

`laf` | laf object pointing to a csv or fwf file
`x` | optional, `ffdf` object where laf data should be appended to.
`nrows,` | number of rows per block, passed on to `next_block`
`transFUN` | NULL or a function that is called on each data.frame chunk which is read in using `next_block`. This can be used for filtering and data transformations.
`...` | passed on to `next_block`

[Package ffbase version 0.13.1 Index]