kurtosis

听听怎么读
英 [kɜ:'təʊsɪs]
美 [kɜ'toʊsɪs]
是什么意思
  • 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

    学习怎么用

    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.
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