Abbreviating Items Measures using Genetic Algorithms

Scale abbreviation using Genetic Algorithms that maximally capture the variance in the original data.


Version 1.3 (2016-06-22) o Modified to work with GA version >= 3.0. o Default verbose argument is set to interactive(). o Included a seed argument to make results fully reproducible. o Corrected formula in help documentation for GAabbreviate(). o Changed description of package.

Version 1.2 (2016-03-14) o Fix a bug with parallelisation using 'snow' (the only option available on Windows). o In case of missing values in either items or scales matrix and impute = FALSE the function stops and displays a message.

Version 1.1 (2016-02-25) o Update reference on help page and added citation file.

Version 1.0 (2015-02-02) o First release on CRAN.

Reference manual

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1.3 by Baljinder K. Sahdra, 3 years ago

Browse source code at

Authors: Luca Scrucca [aut] , Baljinder K. Sahdra [aut, cre]

Documentation:   PDF Manual  

GPL (>= 2) license

Imports stats, graphics, grDevices, utils

Depends on GA, psych

See at CRAN