When analyzing Poisson-count data sometimes a lot of zeros are observed. When there are too many zeros a zero-inflated Poisson distribution can be used. A score test is presented to test whether the number of zeros is too large for a Poisson distribution to fit the data well.
No takes yet. Share an insight, caveat, or question.
A 1995 study studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: