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# Hello -- Thank you in advance for your help. I am floundering with the idea of regression and need some help having it explained to me. What is

Hello -- Thank you in advance for your help. I am floundering with the idea of regression and need some help having it explained to me.

What is adjusted R2 is, how do you calculate it, and how is it used to compare models of different sizes? Does this have to do with Dummy variables?

Thanks again,

Skyler