A predictive model for abnormal bone density in male underground coal mine workers

HIGHLIGHTS

• who: Ziwei Zheng et al. from the North China University of Science and Technology, No, Bohai Caofeidian New Town have published the article: A Predictive Model for Abnormal Bone Density in Male Underground Coal Mine Workers, in the Journal: (JOURNAL) of 27/07/2022
• what: In the formula: T-number of leaf nodes w-score values of leaf nodes γ-parameter to balance the complexity of the model λ-Parameter to balance the complexity of the model XG Boost was an additive model in which the objective function changes each time a tree was added to the . . .
  

   

  

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