Revision history for Perl extension Statistics::ROC. Revision history for Perl extension Statistics::ROC. 0.01 Thu Jun 4 09:19:07 1998 - original version; created by h2xs 1.18 0.02 Fri Mar 3 2000 - the module itself remains unchanged - changed the user interface roc_ui.pl - corrected some minor errors - added some new functionality: estimated and empirical ROC curve, calculation of optimal discriminative abiblity is now based on the empirical ROC curve, the optimal cut-off value (threshold) is now shown above the canvas, some new options of manipulating the drawing area were added - runs with Tk 8.0 0.03 sometime in 2001 - standalone windows version 0.04 Sat Apr 28 2007 - the module (ROC.pm) itself remains unchanged - changed the user interface roc_ui.pl - corrected some errors - removed Tk::Waitbox - changed using Tk::FileDialog to Tk::getOpenFile - runs with activestates perl 5.8.8 and Tk804 - tested on MacOS 10.4.9 (intel)