CHICOM: Code for comparing weighted or unweighted histograms in Fortran-77, C++, R and Python
Improved a program that calculates test statistics to compare weighted and unweighted histograms. The program is presented in Fortran-77, C++, R and Python. The code calculates test statistics for histograms with either normalized or unnormalized weights of events. The previous version of this program (AEKE_v1_0) may be found at http://dx.doi.org/10.1016/j.cpc.2011.08.014.