NPStat is hosted by Hepforge, IPPP Durham
NPStat  4.6.0
Nonparametric Statistical Methods in C++ and Python

– Descriptive sample statistics

– Histogramming, plotting, and fitting

– Nonparametric density estimation

– Nonparametric regression

– Nonparametric interpolation of statistical distributions

– Local polynomial modeling

– Expectation-maximization unfolding with smoothing

– Generation of pseudo- and quasi-random numbers

Doxygen documentation is available for the C++ API only. To learn more about package capabilities and its python API, visit NPStat project on Hepforge.