(bagging, stochastic gradient boosting, random forests) to predict the price direction of gold and silver exchange traded funds …. Decision tree bagging, stochastic gradient boosting, and random forests predictions of gold and silver price direction are much … 55% and 60%. Stochastic gradient boosting accuracy is a few percentage points less than that of random forests for …

-wise gradient boosting, penalized least-squares, and deep learning. Using feature interaction constraints, we show that such models … can be implemented also by the gradient boosting powerhouses XGBoost and LightGBM, thereby benefiting from their excellent …

. The authors apply state-of-the-art artificial intelligence, the eXtreme Gradient Boosting, to quantify factors that lead … as it considers standard regression models and an eXtreme Gradient Boosting (XGB or XGBoost) approach followed by a model …