Hi @RAHenriksen in [here](https://github.com/metaDMG-dev/metaDMG-cpp/blob/master/ngsLCA.cpp#L800) and [here](https://github.com/metaDMG-dev/metaDMG-cpp/blob/master/metaDMG.cpp#L312) should be `mean_len` instead of `mea_len` Thanks
