[Retracted] Prediction and Analysis of Length of Stay Based on Nonlinear Weighted XGBoost Algorithm in Hospital

Table 1

Pseudocode for nonlinear weighted XGBoost algorithm.

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Model: nonlinear weighted XGBoost algorithm

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Input: high-dimensional patient medical data

Output: hospital length-of-stay

 , , , and

For k = 1 to m do

,

   For j in sorted(I, by )

End

End

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