github catboost/catboost v0.17.4

Improvements:

  • Massive 2x speedup for MultiClass with many classes
  • Updated MVS implementation. See Minimal Variance Sampling in Stochastic Gradient Boosting by Bulat Ibragimov and Gleb Gusev at NeurIPS 2019
  • Added sum_models in R-package, #1007

Bugs fixed:

  • Multi model initialization in python, #995
  • Mishandling of 255 borders in training on GPU, #1010
latest releases: v1.0.0, v0.26.1, v0.26...
2 years ago