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How we generate random variates from a generalized poisson distribution?

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ektor
ektor 2015-10-19
评论： ektor 2015-10-19
Dear all, I want to use generate draws from the "generalized poisson distribution". Is there any function in matlab to do that?
thanks

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Image Analyst
Image Analyst 2015-10-19
If you have the Statistics and Machine Learning Toolbox, that is one of the distributions given in the random() function. From the help:
Generate a single random value from Poisson distributions with rate parameters 1, 2, ..., 6, respectively:
x2 = random('Poisson',1:6,1,6)
x2 =
0 0 1 2 5 7
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ektor
ektor 2015-10-19
The generalized poisson model assumes GP(lamba, phi) where lamba is the mean and phi is a dispersion parameter. So according to the above function I have
M=poissrnd(lamda)
x2 = random(M,phi,1,1)
Is that correct?. If you could give me a more specific example for my case that would be great.
Many thanks

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