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Statistics-PCA-Varimax version 0.0.2 =head1 DESCRIPTION Varimax rotation is a change of coordinates used in principal component analysis and factor analysis that maximizes the sum of the variances of the squared loadings matrix. This module exports a single routine 'rotate'. This routine is called in LIST context and accepts a LIST-of-LISTS (LoL) corresponding to the loadings matrix of a factor analysis and returns two references to LoLs. The first is a LoL of the rotated loadings and the seconds is a LoL of the orthogonal matrix. See http://en.wikipedia.org/wiki/Varimax_rotation. INSTALLATION To install this module, run the following commands: perl Makefile.PL make make test make install Alternatively, to install with Module::Build, you can use the following commands: perl Build.PL ./Build ./Build test ./Build install DEPENDENCIES 'Carp' => '1.08', 'Math::GSL::Linalg::SVD' => '0.0.2', 'Math::MatrixReal' => '2.05', 'List::Util' => '1.22', COPYRIGHT AND LICENCE Copyright (C) 2009, Daniel S. T. Hughes This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.