Mathematical Problems in Engineering / 2019 / Article / Alg 2

Research Article

Towards Optimization of Boosting Models for Formation Lithology Identification

Algorithm 2

Gradient Tree Boosting algorithm, modified from [20, 21].
(1)Given . The number of iterations: M
(2)Initialize
(3)For to M:(a)Compute (b)Fit base model , (c)Calculate to minimize the loss function (d)Update current model with previous model and the constrained ,
(4)Calculate the final boosting model .

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