load.data: Loads data from multiple CSV files and combines the data into...

In betabandido/exptools: Useful tools for computer science research experiments

Description

This function searches for CSV files matching a pattern in the given path and combines all the data into a data.table object. The number of capture groups in the regular expression (pattern) must match the number of fields.

Usage

load.data(path, pattern, fields, local.func = NULL, global.func = NULL,
  fill = FALSE, ...)

Arguments

path	Path where to search for the CSV files.
pattern	Regular expression used to search the CSV files and extract the fields values too.
fields	Fields that uniquely identify the data from a CSV file.
local.func	Custom function to be called after reading a single CSV file. Defaults to NULL.
global.func	Custom function to be called after all the data tables have been merged into a single one. Defaults to NULL.
fill	Whether to fill missing columns due to inconsistent CSV files.
...	Arguments to pass to data.table::fread().

Value

A data.table object containing the data read from the CSV files.

Examples

## Not run: 
load.data('.', 'results-(\\d+)-(\\w+)\\.csv', c('ID', 'config'))

## End(Not run)

betabandido/exptools documentation built on May 12, 2019, 7:25 p.m.