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Global Gender Analysis. The left panel shows the NNB curves for (right) trees, where the x-coordinate is the pruning level and the y-coordinate is the NNB score. The middle panel shows the kernel density estimate for male (red), female (blue), and the union (black). The right panel is the kernel density estimate of the 1000 t-stats, generated by the 1000 random permutations, along with the empirical p-value indicating statistical significance.
