An understanding of a material's microscopic architecture is important to improve its mechanical properties. Poisson's ratio, which celebrates its bicentenary this year, continues to provide a good ...

The Canadian Journal of Statistics / La Revue Canadienne de Statistique Let Xi be the number of outcomes in class Ci,i=0,... ,k, during n independent possibly non-identical trials. If class C0 has ...

For binomial and Poisson distributions, the scale parameter has a value of 1. The variance of Y is for the binomial distribution and for the Poisson distribution. Overdispersion occurs when the ...

This is a preview. Log in through your library . Abstract Count data often show a higher incidence of zero counts than would be expected if the data were Poisson distributed. Zero-inflated Poisson ...