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. 2021 Sep 15;11:18375. doi: 10.1038/s41598-021-96731-8

Figure 6.

Figure 6

Heatmap for feature-gender cross-correlations. The last column (resp. the last row) shows the correlation of the whole data set (without equal splits for male and female individuals) with the target gender. Depending on the feature scaling, different correlation approaches (Cramer’s V, Pointbiserial and Pearson) have been used. The matrix reveals strong positive correlations between stressfulness and loudness of the tinnitus or negative correlations between mood and stressfulness of an individual user. The heatmap was formatted using MS Excel 365. Correlation metrics were calculated using SciPy 1.5.0 within a Python 3.7 environment.