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 ?
Assumption 1: For a given care level, the distribution of losses follows a Gamma distribution (2)
The half-normal or exponential distribution has only one parameter, whereas the truncated-normal or gamma distribution has two parameters.
The gamma distribution is another headway model widely used because of its flexibility and compatibility (Zhang et al.
At this same dose, the risk estimated using the gamma distribution shown in Figure 1 is [10.
3, the number fraction was plotted with respect to bubble radius and measured bubble size distribution showed the gamma distribution function.
In gibbs sampling, the hyperparameters of Dirichlet distribution, normal distribution, inverse gamma distribution are chosen as following:
The blue middle dashed curve is the theoretical prediction of the covariance obtained with the fitted gamma distribution of the radii of the fibres with parameters [alpha] = 4.
The gamma distribution is characterized by a shape parameter and a scale parameter, that describe, just like the mean and SD for a normal distribution, the variation in test results for individuals with and without the disease within a sample.
For a gamma distribution, the measure U(dt) has all its mass at one single point.
Initial estimates for the gamma distribution can be provided by moment estimators (Carlin and Louis, 2000) where: [r.
m]) of that pseudo-component as determined from the gamma distribution.
They were obtained assuming a gamma distribution and by retaining the mass and terminal velocity of the collected particles.