RCR is free to use for academic and non-commercial applications (see license in this repository). We only ask that you cite Maples et al. 2018 as:
@article{maples2018robust,
title={Robust Chauvenet Outlier Rejection},
author={{Maples}, M.P. and {Reichart}, D.E. and {Konz}, N.C. and {Berger}, T.A. and {Trotter}, A.S. and {Martin}, J.R. and {Dutton}, D.A. and {Paggen}, M.L. and {Joyner}, R.E. and {Salemi}, C.P.},
journal={The Astrophysical Journal Supplement Series},
volume={238},
number={1},
pages={2},
year={2018},
publisher={IOP Publishing}
}