This is an introduction to OLS and GoodnessOfFit tutorial. This video touches on each of these subjects:

1. What is OLS? ("Ordinary Least Squares")
2. Properties of OLS
3. "Sum of Squared Residuals" (SSR), "Explained Sum of Squares" (SSE) & "Total Sum of Squares" (SST)
4. "GoodnessOfFit" (RSquared)
5. Interpreting RSquared

This video is intended to provide the student with an introduction to the "Ordinary Least Squares" method of estimation and its properties. This video also introduces the goodness of fit measure, RSquared.

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