The ICAR package has been developed to include functions for the generation of cognitive ability item types. The ICAR package is intended to facilitate the distribution of cognitive ability measures which have been described in several locations as the International Cognitive Ability Resource.
Track development at http://github.com/frenchja/icar/
- based on R, an open-source statistics language
- freely distributed under the GPLv3 license
- developed and tested by the Personality, Motivation, and Cognition Lab at Northwestern University and collaborators
To install the development version of icar, it's easiest to use the Hadley Wickam's devtools package:
# install.packages('devtools')
library(devtools)
install_github(repo = 'icar', username = 'frenchja')
library(icar)ICAR Package for Cognitive Ability Item Types Copyright (C) 2013 Jason A. French
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.