kurtosis是什么意思

n.[统]峰度,峰态,峭度

1. The kurtosis of the distribution indicates how peaked or flat it is compared to the normal distribution.
（分布的峰度表示其相对于正态分布的尖峭程度或平坦程度。）

2. The kurtosis of the data set suggested that it had a heavy tail and was not normally distributed.
（数据集的峰度表明它具有重尾部，不符合正态分布。）

峰度；（统计学中）描述随机变量概率分布形态陡峭程度的统计量。