Browsing by Author "Saffari, Seyed Ehsan"
Saffari, Seyed Ehsan; Adnan, Robiah; Greene, William (Institut d'Estadística de Catalunya, 2012)
Open AccessA Poisson model typically is assumed for count data. In many cases because of many zeros in the response variable, the mean is not equal to the variance value of the dependent variable. Therefore, the Poisson model is ...