Imbalanced survival prediction for gastric cancer patients based on improved XGBoost with cost sensitive and focal loss
Liangchen Xu,
Chonghui Guo
Abstract:Accurate prediction of gastric cancer survival state is one of great significant tasks for clinical decision‐making. Many advanced machine learning classification techniques have been applied to predict the survival status of cancer patients in three or 5 years, however, many of them have a low sensitivity because of class imbalance. This is a non‐negligible problem due to the poor prognosis of gastric cancer patients. Furthermore, models in the medical domain require strong interpretability to increase their … Show more
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