Comparative Study of the Distributions Used To Model Dispersion

Citation:
Kipchirchir IC. Comparative Study of the Distributions Used To Model Dispersion.; 2012.

The negative binomial distribution has been widely used and to a lesser extent the Ney-man 
Type A distribution, whereas the Polya-Aeppli distribution has received no attention in 
modeling overdispersed (clustered) populations. On the other hand, the Poisson distribution 
is naturally used to model random populations. The aim of this paper is to carry out a 
comparative study of the aforemen-tioned distributions based on index of patchiness, 
correlation, skewness and kurtosis. The study revealed that the negative binomial, the ...

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