nrLinesFile: Counts the number of lines of a file

In DMwR2: Functions and Data for the Second Edition of "Data Mining with R"

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

DMwR2 documentation built on May 2, 2019, 1:42 p.m.