derivative of the moment-generating function, evaluated at 0. In addition to univariate real-valued distributions, moment-generating functions can also be defined...
19 KB (2,820 words) - 11:49, 25 April 2025
Cumulant (redirect from Log-moment generating function)
are defined using the cumulant-generating function K(t), which is the natural logarithm of the moment-generating function: K ( t ) = log E [ e t X ]...
50 KB (8,877 words) - 04:04, 25 May 2025
the probability generating function (of X {\displaystyle X} ) and M X ( t ) {\displaystyle M_{X}(t)} is the moment-generating function (of X {\displaystyle...
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generating functions of note include the entries in the next table, which is by no means complete. Moment-generating function Probability-generating function...
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confluent hypergeometric function and J1 is the Bessel function of the first kind. Likewise the moment generating function can be calculated as M ( t...
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moment L-moment Method of moments (probability theory) Method of moments (statistics) Moment-generating function Moment measure Second moment method Standardised...
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a function of a real-valued argument, unlike the moment-generating function. There are relations between the behavior of the characteristic function of...
38 KB (5,208 words) - 13:53, 16 April 2025
In probability theory and statistics, the factorial moment generating function (FMGF) of the probability distribution of a real-valued random variable...
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Meijer G-function. The characteristic function has also been obtained by Muraleedharan et al. (2007). The characteristic function and moment generating function...
39 KB (5,828 words) - 06:29, 11 June 2025
Continuous uniform distribution (redirect from Uniform density function)
height would be 1 15 . {\displaystyle {\tfrac {1}{15}}.} The moment-generating function of the continuous uniform distribution is: M X = E [ e t X ]...
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decreasing upper bound on the tail of a random variable based on its moment generating function. The minimum of all such exponential bounds forms the Chernoff...
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in the series are (1 + 2i) + (k − 1) = k + 2i as required. The moment-generating function is given by M ( t ; k , λ ) = exp ( λ t 1 − 2 t ) ( 1 − 2 t...
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determined by its moments. This implies that it cannot have a defined moment generating function in a neighborhood of zero. Indeed, the expected value E [ e...
90 KB (12,551 words) - 22:45, 22 May 2025
π {\displaystyle M_{\pi }} is the moment generating function of the density. For the probability generating function, one obtains m X ( s ) = M π ( s −...
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Zeta distribution (section Moment generating function)
the series itself, and are therefore undefined for large n. The moment generating function is defined as M ( t ; s ) = E ( e t X ) = 1 ζ ( s ) ∑ k = 1 ∞...
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Beta distribution (section Moment generating function)
\end{aligned}}} In particular MX(α; β; 0) = 1. Using the moment generating function, the k-th raw moment is given by the factor ∏ r = 0 k − 1 α + r α + β +...
245 KB (40,562 words) - 12:56, 14 May 2025
Normal distribution (redirect from Normal density function)
\operatorname {E} [X^{k}]} . The cumulant generating function is the logarithm of the moment generating function, namely g ( t ) = ln M ( t ) = μ t + 1...
151 KB (22,720 words) - 14:33, 14 June 2025
Gamma process (section Moment generating function)
where Γ ( z ) {\displaystyle \Gamma (z)} is the Gamma function. The moment generating function is the expected value of exp ( t X ) {\displaystyle \exp(tX)}...
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formula for any PDF or probability mass function of a distribution, based on the moment generating function. There is also a formula for the CDF of the...
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univariate probability distribution with probability density function f(x), the n-th moment about the mean μ is μ n = E [ ( X − E [ X ] ) n ] = ∫ −...
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Campbell's theorem (probability) (redirect from Moment generating function of a compound Poisson process)
by Harry Bateman. In Campbell's work, he presents the moments and generating functions of the random sum of a Poisson process on the real line, but remarks...
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Lévy distribution (redirect from Levy function)
distribution do not exist (only some fractional moments). The moment-generating function would be formally defined by M ( t ; c ) = d e f c 2 π ∫ 0...
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Cauchy distribution (redirect from Lorentzian function)
fractional absolute moments exist. The Cauchy distribution has no moment generating function. In mathematics, it is closely related to the Poisson kernel,...
47 KB (6,933 words) - 09:09, 19 May 2025
{\mu }}^{T})} includes parameters of the distribution. The joint moment generating function of G-MVLG distribution is as the following: M Y ( t ) = δ ν (...
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characteristic function is φ ( k ) = sin ( k / 2 ) k / 2 , {\displaystyle \varphi (k)={\frac {\sin(k/2)}{k/2}},} and its moment-generating function is M ( k...
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e^{t}-1)+a_{2}(e^{2t}-1))} The cumulant generating function is the logarithm of the moment generating function and is equal to K ( t ) = log ( M ( t...
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Exponential family (redirect from Log-partition function)
form for the moment-generating function for the distribution of x. In particular, using the properties of the cumulant generating function, E ( T j )...
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and statistics, a probability mass function (sometimes called probability function or frequency function) is a function that gives the probability that a...
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probability function, the cumulative distribution function, the probability mass function and the probability density function, the moment generating function and...
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{\displaystyle \eta ,b>0,} and x ≥ 0 . {\displaystyle x\geq 0\,.} The moment generating function is: E ( e − t X ) = η e η E t / b ( η ) {\displaystyle...
12 KB (1,388 words) - 08:13, 3 June 2024