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Biologically Interpretable, Integrative Deep Learning For Cancer Survival Analysis, Jie Hao
Biologically Interpretable, Integrative Deep Learning For Cancer Survival Analysis, Jie Hao
Doctor of Data Science and Analytics Dissertations
Identifying complex biological processes associated to patients' survival time at the cellular and molecular level is critical not only for developing new treatments for patients but also for accurate survival prediction. However, highly nonlinear and high-dimension, low-sample size (HDLSS) data cause computational challenges in survival analysis. We developed a novel family of pathway-based, sparse deep neural networks (PASNet) for cancer survival analysis. PASNet family is a biologically interpretable neural network model where nodes in the network correspond to specific genes and pathways, while capturing nonlinear and hierarchical effects of biological pathways associated with certain clinical outcomes. Furthermore, integration of heterogeneous …