Multiview deep forest for overall survival prediction in cancer

Qiucen Li, Zedong Du, Zhikui Chen, Xiaodi Huang, Qiu Li

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Overall survival (OS) in cancer is crucial for cancer treatment. Many machine learning methods have been applied to predict OS, but there are still the challenges of dealing with multiview data and overfitting. To overcome these problems, we propose a multiview deep forest (MVDF) in this paper. MVDF can learn the features of each view and fuse them with integrated learning and multiple kernel learning. Then, a gradient boost forest based on the information bottleneck theory is proposed to reduce redundant information and avoid overfitting. In addition, a pruning strategy for a cascaded forest is used to limit the impact of outlier data. Comprehensive experiments have been carried out on a data set from West China Hospital of Sichuan University and two public data sets. Results have demonstrated that our method outperforms the compared methods in predicting overall survival.
Original languageEnglish
Article number7931321
Number of pages12
JournalComputational and Mathematical Methods in Medicine
Publication statusPublished - 18 Jan 2023


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