NMFBFS: A NMF-Based Feature Selection Method in Identifying Pivotal Clinical Symptoms of Hepatocellular Carcinoma

Figure 2

The heatmap of the representative clinical dataset . (a) The heatmap of with 49 symptoms and 120 samples. (b) The distribution patterns of symptoms , , , , and indicate that the frequencies of positive are low. (c) The distribution patterns of symptoms , , and indicate that the frequencies of positive are high.

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