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ProtoGate: Prototype-based Neural Networks with Global-to-local Feature Selection for Tabular Biomedical Data
June 4, 2024, 4:45 a.m. | Xiangjian Jiang, Andrei Margeloiu, Nikola Simidjievski, Mateja Jamnik
cs.LG updates on arXiv.org arxiv.org
Abstract: Tabular biomedical data poses challenges in machine learning because it is often high-dimensional and typically low-sample-size (HDLSS). Previous research has attempted to address these challenges via local feature selection, but existing approaches often fail to achieve optimal performance due to their limitation in identifying globally important features and their susceptibility to the co-adaptation problem. In this paper, we propose ProtoGate, a prototype-based neural model for feature selection on HDLSS data. ProtoGate first selects instance-wise features …
arxiv biomedical cs.lg data feature feature selection global networks neural networks prototype replace tabular type
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