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Count Modeling in SAS: Using PROC COUNTREG for Truancy Data

By: Published: 2015 | Product: SAGE Research Methods Cases
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Data in the social sciences often do not conform to what a researcher would like in order to have an unproblematic analysis using some form of linear regression. Especially, when data reflect counts, a number of potential problems arise. This case study discusses challenges that occurred when applying the models and examines the results. Finally, it looks at using the parameters for ‘what-if’ modeling by changing the input data, a step that is often implied but not performed in analysis. The approach is not that of a statistician but a statistically informed social scientist using SAS to analyze the data.

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