nrLinesFile {DMwR2}

Counts the number of lines of a file

Description

Function for counting the number of lines of very large text files. Note that it only works on unix-based systems as it uses the wc command line utility

Usage

nrLinesFile(f)

Arguments

f

A file name (a string)

Details

The function creates a data set corresponding to the embed of a certain size of a given univariate time series.

For instance for an embed of size 3 each row of the data set will contain the value of the series at time t, t-1 and t-2.

Value

An integer

Author(s)

Luis Torgo [e-mail]

References

Torgo, L. (2016) Data Mining using R: learning with case studies, second edition, Chapman & Hall/CRC (ISBN-13: 978-1482234893).

http://ltorgo.github.io/DMwR2

See Also

sampleCSV