Shift the Curves
z shift
error shift
z shift
error shift
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Understanding Regression Models
Controlling For
Shift the Curves
Conditional Expectation
Correlation and Causation
A Typical Regression Display
The Regression Command
Coefficient Estimates
Standard Errors
t Ratios
Prob Values
R-Squared
F Test
SSR
Pitfalls
What happens if the assumptions are not realistic?