Gradient-based one-side sampling (GOSS). Firstly, the first a × 100% of the samples sorted by the absolute values of the gradients in descending order are large gradient samples, and the last (1 − a) × 100% are called small-gradient samples, where a is the scale threshold. The ...
Add two new features: Gradient-based One-Side Sampling(GOSS) and Exclusive Feature Bundling(EFB). With GOSS and EFB, LightGBM can further speed up the training. Details are avaliable in Features. 01/08/2017 : Release R-package beta version, welcome to have a try and provide feedback. 12...