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Perl Script for Feature Selection

` Variable and feature selection can help to understand which factors (features, variables, inputs) affect our result data (output, target). The following perl script can be used for simplest case - when we are looking at variables one by one. The program does ranking for each variable, assuming the the output data is in the last column. The ranking is based on Pearson correlation coefficient.



References



1 1. Feature selection-perl script (Single variable ranking)