gamma distribution


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gamma distribution

[¦gam·ə ‚dis·trə′byü·shən]
(statistics)
A normal distribution whose frequency function involves a gamma function. Also known as Erlang distribution.
References in periodicals archive ?
21] In comparison, the Gamma model processes the data with the log linked gamma distribution with regard to the skewed distribution characteristics of the cost data, ensures the integrity of the original data information, and avoids the conversion bias.
Although in most of the study, the symmetrical function is assumed (Gaussian), yet it would be advantageous to choose an asymmetric distribution for modelling the kinetics of biomass pyrolysis, such as the Gamma distribution over a symmetrical one [23].
2], are parameters of Generalized Gamma distributions, which model statistically independent random processes arising respectively from large scale and small scale turbulent eddies.
Due to the importance of this distribution, recently some new distributions as well as families of probability distributions based on generalizations of the gamma distribution have been proposed.
m] represent the shape and scale parameters of the Gamma distribution respectively, whereas [GAMMA]* is the Gamma function as defined in [21],
Tabatabaey, "On inverted matrix variate gamma distribution," Comm.
The purpose of this paper is to give a generalization of the matrix variate gamma distribution and study its properties.
By analogy, the quadratic sum of the compressed noise also follows the central Gamma distribution with M degrees of freedom.
Considering the above-mentioned SPI features the following three questions are posed: Is the 2-parameter gamma distribution suitable for fitting the rainfall series summed over several timescales in a given location?
In the Bayesian theory, it is found that the gamma distribution is a natural conjugate prior for the sampling from a Poisson distribution.
10] model include exceedances and return period in Johor Bahru, Kota Kinabalu, Kuantan and Nilai has been predicted by using Gamma distribution [41].
Generalized Gamma distribution is typically used to describe variables bound on one side.