Thuật ngữ AI

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Parameter controlling the maximum number of bins in the histogram algorithm, balancing training speed and model accuracy.

Comparison of growth strategies: leaf-wise optimizes local loss reduction while level-wise uniformly develops all nodes at a level.

LightGBM's built-in capability to automatically handle missing values by assigning them to the optimal direction during each split.

Lambda_l1 and lambda_l2 parameters applying L1 (Lasso) and L2 (Ridge) regularization respectively to control model complexity.

LightGBM's memory optimization technique reusing histograms between iterations to reduce dynamic memory allocation.

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