峰态（kurtosis）一词是由统计学家皮尔逊于1905年首次提出的。它是对数据分布平峰或尖峰程度的测度。测度峰态的统计量则是峰态系数（coefficient of kurtosis），记作K。
n. peakedness ; leptokurtosis
misc. kurtosis
中部、南部风沙土分选性中等和较好，呈窄峰态和近对称的分布形式。
The sorting of the aeolian sand soil in the middle and southern desert is medium and better and the skewness is near symmetrical and the kurtosis is leptokurtic.
我也探讨了随时间变化的偏态系数与峰态系数对此模型表现之潜在的影响。
I also discuss the potential effect of time-varying skewness and kurtosis on the performance of the model.
本研究的目的，在于探讨偏态与峰态等高阶矩系统风险对资产定价的影响。
The objective of this study is to investigate systematic risk in asset pricing with higher moments, especially for skewness and ku...
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