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A Model Comparison for Count Data with a Positively Skewed Distribution with an Application to the Number of University Mathematics Courses Completed
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Liou, Pey-Yan – Online Submission, 2009
The current study examines three regression models: OLS (ordinary least square) linear regression, Poisson regression, and negative binomial regression for analyzing count data. Simulation results show that the OLS regression model performed better than the others, since it did not produce more false statistically significant relationships than…
Descriptors: Data Analysis, Regression (Statistics), Prediction, Statistical Distributions