p-teng

[CatBoost Paper](https://arxiv.org/abs/1706.09516) Also interested in this issue!

From what I've read so far, CatBoost is their name for the combination of ordered boosting (their modification to standard gradient boosting) and a modified procedure for processing categorical features,...

Would the DoD for this issue be: Write a binning function that takes a feature of X, Y, and bin number as arguments and downsamples via bin means, and returns...