kurtosis
英 [kɜ:'təʊsɪs] 美 [kɜ'toʊsɪs]

n.

峰度，峰态，峭度；

英英释义

Kurtosis

• In probability theory and statistics, kurtosis (from the Greek word κυρτός, kyrtos or kurtos, meaning curved, arching) is any measure of the "peakedness"of the probability distribution of a real-valued random variable.Dodge, Y.

以上来源于:Wikipedia

双语例句

用作名词(n.)

1. When we measure the kurtosis of a distribution, we are measuring its peakedness.
   度量一条频率分布曲线的尖削度就是度量其顶部的峰态。
2. As to skewness, it is not as important as kurtosis in affecting subadditivity.
   模拟结果显示，只有在非常高的峰态下风险值是违反次加性，而目前常见的财务资料的分配并不具有如此高的峰态。

权威例句

On the meaning and use of kurtosis.
SKEWNESS AND KURTOSIS IN S&P 500 INDEX RETURNS IMPLIED BY OPTION PRICES
Positive definiteness of diffusion kurtosis imaging
The spectral kurtosis: a useful tool for characterising non-stationary signals
Measures of multivariate skewness and kurtosis with applications
Testing structural equation models: The effect of kurtosis
The spectral kurtosis: application to the vibratory surveillance and diagnostics of rotating machines
MRI quantification of non-Gaussian water diffusion by kurtosis analysis
Nonlinear Pricing Kernels, Kurtosis Preference, and Evidence from the Cross Section of Equity Returns
Diffusional kurtosis imaging: the quantification of non-gaussian water diffusion by means of magnetic resonance imaging.