to skewness, kurtosis provides insight into specific characteristics of a distribution. Various methods exist for quantifying kurtosis in theoretical...
37 KB (5,310 words) - 12:52, 30 June 2025
Beta distribution (section Kurtosis)
α → 0 excess kurtosis = lim β → 0 excess kurtosis = lim μ → 0 excess kurtosis = lim μ → 1 excess kurtosis = ∞ lim α → ∞ excess kurtosis = 6 β , lim...
245 KB (40,559 words) - 20:35, 30 June 2025
Moment (mathematics) (section Kurtosis)
distribution is 3σ4. The kurtosis κ is defined to be the standardized fourth central moment. (Equivalently, as in the next section, excess kurtosis is the fourth...
21 KB (3,066 words) - 21:09, 14 April 2025
the average than is expected for a normal distribution. Kurtosis risk applies to any kurtosis-related quantitative model that assumes the normal distribution...
4 KB (441 words) - 04:40, 30 June 2025
L-moment (redirect from L-kurtosis)
analogous to standard deviation, skewness and kurtosis, termed the L-scale, L-skewness and L-kurtosis respectively (the L-mean is identical to the conventional...
23 KB (3,127 words) - 21:10, 14 April 2025
and the excess kurtosis being zero. Samples from a normal distribution have an expected skewness of 0 and an expected excess kurtosis of 0 (which is the...
7 KB (901 words) - 07:42, 24 May 2024
3.5.11. Measures of Skewness and Kurtosis". NIST. Retrieved 18 March 2012. "Measures of Shape: Skewness and Kurtosis", 2008–2016 by Stan Brown, Oak Road...
28 KB (3,968 words) - 13:28, 18 April 2025
deviation a measure of the shape of the distribution like skewness or kurtosis if more than one variable is measured, a measure of statistical dependence...
6 KB (541 words) - 01:53, 11 January 2024
distributions of the skewness and kurtosis can themselves be analysed in terms of their means μ1, variances μ2, skewnesses γ1, and kurtosis γ2. This has been done...
9 KB (1,391 words) - 20:28, 27 March 2024
4 − 3 {\displaystyle \gamma _{2}=\mu _{4}/\sigma ^{4}-3} is the excess kurtosis. However, one can use other estimators for σ 2 {\displaystyle \sigma ^{2}}...
24 KB (3,861 words) - 12:45, 11 May 2025
resembles the normal distribution in shape but has heavier tails (higher kurtosis). The logistic distribution is a special case of the Tukey lambda distribution...
13 KB (1,789 words) - 17:39, 17 March 2025
Zsolt István Kürtösi (born 21 March 1971 in Kiskunfélegyháza) is a Hungarian decathlete and bobsledder. Zsolt Kürtösi at World Athletics v t e v t e...
4 KB (26 words) - 09:02, 12 January 2024
cost. An example of the online algorithm for kurtosis implemented as described is: def online_kurtosis(data): n = mean = M2 = M3 = M4 = 0 for x in data:...
31 KB (5,774 words) - 06:09, 11 June 2025
{\gamma ^{2}+1}{\kappa }}} where γ is the skewness and κ is the kurtosis. The kurtosis is here defined to be the standardised fourth moment around the...
50 KB (6,390 words) - 20:08, 23 June 2025
Gaussian signals have zero kurtosis, Super-Gaussian signals have positive kurtosis, and Sub-Gaussian signals have negative kurtosis. The denominator is the...
49 KB (7,462 words) - 10:49, 27 May 2025
difference between its kurtosis and the kurtosis of a normal distribution, 3 {\displaystyle 3} .: 217 Therefore, the excess kurtosis of the geometric distribution...
35 KB (5,094 words) - 06:38, 7 July 2025
case of the binomial distribution with n = 1. {\displaystyle n=1.} The kurtosis goes to infinity for high and low values of p , {\displaystyle p,} but...
13 KB (2,196 words) - 21:53, 27 April 2025
deviation (or variance), the minimum and maximum values of the variables, kurtosis and skewness. Descriptive statistics provide simple summaries about the...
8 KB (961 words) - 10:35, 24 June 2025
Millimeter cloud radar (section Kurtosis)
so kurtosis is not a good measure of "peakedness." Examples of such shapes can be found in the kurtosis wiki entry. The Doppler radar kurtosis analysis...
43 KB (4,969 words) - 01:53, 11 May 2025
that (where they exist) the skewness and kurtosis of these distribution are constants, as skewness and kurtosis are independent of location and scale parameters...
4 KB (377 words) - 21:34, 26 August 2023
2000, at the end of the dot com bubble and burst, Empirica's Empirica Kurtosis LLC fund was reported to have made a 56.86% return. Taleb's investing strategies...
56 KB (5,705 words) - 16:04, 26 June 2025
distribution is a probability distribution that exhibits a large skewness or kurtosis, relative to that of either a normal distribution or an exponential distribution...
10 KB (1,125 words) - 22:06, 11 June 2025
Unimodality (section Skewness and kurtosis)
}}\leq {\sqrt {3}}.} Rohatgi and Szekely claimed that the skewness and kurtosis of a unimodal distribution are related by the inequality: γ 2 − κ ≤ 6 5...
16 KB (2,043 words) - 00:09, 28 December 2024
Hyperbolic secant distribution (section Kurtosis)
can be readily calculated from the characteristic function. The excess kurtosis is found to be 2 / r {\displaystyle 2/r} . The distribution (and its generalisations)...
9 KB (1,155 words) - 16:11, 19 July 2024
(this varies with excess kurtosis). MSE can be minimized by using a different factor. The optimal value depends on excess kurtosis, as discussed in mean...
18 KB (3,289 words) - 14:22, 1 July 2025
25, skew 5, and excess kurtosis of 2. We can use the first two bracketed terms above, which depend only on skew and kurtosis, to estimate quantiles of...
5 KB (751 words) - 15:05, 6 February 2025
The same principle is used to derive higher moments like skewness and kurtosis. It starts by expressing the population moments (i.e., the expected values...
12 KB (1,934 words) - 21:10, 14 April 2025
characteristics of such a discrete variable (such as the mean, variance, and kurtosis), starting from the formulas given for a continuous distribution of the...
30 KB (4,947 words) - 07:13, 1 June 2025
Jarque–Bera test is itself derived from skewness and kurtosis estimates. Mardia's multivariate skewness and kurtosis tests generalize the moment tests to the multivariate...
12 KB (1,627 words) - 12:37, 9 June 2025
Statistical dispersion Central tendency Median Mode Descriptive statistics Kurtosis Law of averages Mean value theorem Moment (mathematics) Summary statistics...
17 KB (2,242 words) - 20:36, 6 July 2025