Week 12: Algebra of Least Squares Reading Hansen (Econometrics): Chapter 3 Assignments Problem Set 8 due Thursday April 15th, 11:59pm ET. Problem Set 9 due Thursday April 22nd, 11:59pm ET. Slides and notes Linear model: Slides | Handout Least squares: Slides | Handout Videos Zoom Video Links (behind Harvard login) Previous Week 11: Conditional Expectation Next Week 13: Statistical Properties of OLS