Poisson Regression: Zero Inflation (Excessive Zeros)

This video has been created quickly to cover in class lectures due to school closures associated with COVID-19.

This video discusses what zero inflation (or excessive zeros) is in Poisson regression, how to detect zero inflation, the common causes of zero inflation, and solutions to address zero inflation. Specifically, we mention zero inflated poisson (ZIP) models, and hurdle regression.

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