Tier 3 · AdvancedFree
Econometrics
Signal vs Noise
8 modules~65 min totalVerifiable certificate on completion
Syllabus
01OLS Regression and the Line of Best FitMath
12 min02Stationarity, Unit Roots, and Spurious RegressionMath
11 min03Omitted Variable Bias and CointegrationMath
12 min04The Spurious Regression
6 min05The Omitted Variable
6 min06The Cointegration Test
6 min07The Natural Experiment
6 min08The Unit Root
6 minFrom Module 1 — read a sample
Drawing the best-fit line through scattered data points — we're minimizing the total squared distance from each point to the line. The slope tells you: when X rises by 1, Y rises by β on average. Think of it as finding the one straight line that makes the least total mess of all the gaps between the line and the actual data.
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