CHIWEI: A Code of Goodness of Fit Tests for Weighted and Unweighed Histograms
Abstract: A self-contained Fortran-77 program for goodness of fit tests for histograms with weighted entries as well as with unweighted entries is presented. The code calculates test statistic for case of histogram with normalized weights of events and for case of unnormalized weights of events.
Credit: Nikolai Gagunashvili
Site: Zip file for code attached below