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Pan-Cancer Classification Based on Self-Normalizing Neural Networks and Feature Selection.


ABSTRACT: Cancer is a one of the severest diseases and cancer classification plays an important role in cancer diagnosis and treatment. Some different cancers even have similar molecular features such as DNA copy number variant. Pan-cancer classification is still non-trivial at molecular level. Herein, we propose a computational method to classify cancer types by using the self-normalizing neural network (SNN) for analyzing pan-cancer copy number variation data. Since the dimension of the copy number variation features is high, the Monte Carlo feature selection method was used to rank these features. Then a classifier was built by SNN and feature selection method to select features. Three thousand six hundred ninety-four features were chosen for the prediction model, which yields the accuracy value is 0.798 and macro F1 is 0.789. We compared our model to random forest method. Results show the accuracy and macro F1 obtained by our classifier are higher than those obtained by random forest classifier, indicating the good predictive power of our method in distinguishing four different cancer types. This method is also extendable to pan-cancer classification for other molecular features.

SUBMITTER: Li J 

PROVIDER: S-EPMC7417299 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Pan-Cancer Classification Based on Self-Normalizing Neural Networks and Feature Selection.

Li Junyi J   Xu Qingzhe Q   Wu Mingxiao M   Huang Tao T   Wang Yadong Y  

Frontiers in bioengineering and biotechnology 20200804


Cancer is a one of the severest diseases and cancer classification plays an important role in cancer diagnosis and treatment. Some different cancers even have similar molecular features such as DNA copy number variant. Pan-cancer classification is still non-trivial at molecular level. Herein, we propose a computational method to classify cancer types by using the self-normalizing neural network (SNN) for analyzing pan-cancer copy number variation data. Since the dimension of the copy number vari  ...[more]

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