Tell Me about those Pesky CLASS Variables, Part 3: Effect Coding

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In the previous blog on CLASS variables, we developed the idea of creating design variables and examined GLM and reference coding. Another coding scheme, known as ‘Effect Coding’ or ‘Deviation from the Mean Coding’ is also commonly used. Consider our previous scenario of modeling the average amount spent on a […]

This post was kindly contributed by The SAS Training Post - go there to comment and to read the full post.