histogram.kurtosis

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记录值的超峰度。衡量分布尾部相对于正态分布的厚度。正值表示尾部更厚（极端离群值更多）；负值表示尾部更轻。

🌐 The excess kurtosis of the recorded values. Measures the heaviness of the distribution's tails relative to a normal distribution. Positive values indicate heavier tails (more extreme outliers); negative values indicate lighter tails.