Tag: gradient-boosting

2 articles

Fix: LightGBM Not Working — Installation Errors, Categorical Features, and Training Issues

Apr 9, 2026

How to fix LightGBM errors — ImportError libomp libgomp not found, do not support special JSON characters in feature name, categorical feature index out of range, num_leaves vs max_depth overfitting, early stopping callback changes, and GPU build errors.

python lightgbm machine-learning gradient-boosting data-science debugging

Fix: XGBoost Not Working — Feature Name Mismatch, GPU Errors, and Early Stopping Changes

Apr 9, 2026

How to fix XGBoost errors — feature names mismatch, XGBoostError GPU training fails, use_label_encoder deprecated, eval_metric warning, early stopping moved to callback, ValueError for DMatrix, and sklearn API confusion.

python xgboost machine-learning gradient-boosting data-science debugging