Peakedness relative to the normal distribution, whereas negative kurtosis indicates light tails and. Pearson stated it in 1905, Fisher.
That is, data sets with high kurtosis tend to have heavy. Chỉ số giao dịch kurtosis. It is the degree of distortion from the symmetrical bell curve or the normal distribution. Kurtosis is a measure of whether the data are heavy- tailed or light- tailed relative to a normal distribution.
In probability theory and statistics, kurtosis is a measure of the " tailedness" of the probability distribution of a real- valued random variable. In a similar way to the.
It measures the lack of symmetry in data. Modification of a chi- square test for equality of. It is an unfortunate historical error that caused people to think that negative ( excess) kurtosis implies a " flat- topped" distribution.