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kurtosis
(redirected from Excess kurtosis)

   Also found in: Dictionary/thesaurus, Medical, Financial, Wikipedia 0.02 sec.
kurtosis [kər′tō·səs]
(statistics)
The extent to which a frequency distribution is concentrated about the mean or peaked; it is sometimes defined as the ratio of the fourth moment of the distribution to the square of the second moment.


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Second, the significant statistical property of excess kurtosis provides a cautionary note.
The first generator produces normally distributed random numbers, and the second generates Student's t-distributed random numbers with excess kurtosis.
In sum, the BVMT and TUNINDEX weekly and daily returns tend to be characterized by positive skewness, excess kurtosis and departure from normality.
 
 
 
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