Handling of over-dispersion of count data via truncation using zero-inflated poisson regression model

• Main Authors: Saffari, Seyed Ehsan, Adnan, Robiah, Greene, William
• Format: Conference or Workshop Item
• Published: 2011
• Subjects: Q Science (General)
• Online Access: http://eprints.utm.my/id/eprint/45910/; https://www.researchgate.net/publication/257246180_Handling_of_Over-dispersion_of_Count_Data_via_Truncation_using_Poisson_Regression_Model
• Institution: Universiti Teknologi Malaysia

A Poisson model typically is assumed for count data. It is assumed to have the same value for expe ctation and variance in a Poisson distribution, but most of the time there is over - dispersion in the model. Furthermore, the response variable in such cases is truncated for s...