Dummy Variables and Subsamples
Simplest case: an explanatary variable is categorical.
What if the slopes differ?
The Chow test: everything is different.
Help for New Students
Understanding Regression Models
Estimating Regression Models
Picking the Right Model
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The Best Case Scenario
Estimation
Assumptions
Conclusions (xar)
Testing
Violations of the Assumptions
Regressors
Errors
Simultaneity
A Proof Runs Through It
1, 2, 3 ___
Dummy Variables
Logit/Probit