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OLS: Checking for non-uniform error variance
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Classroom Contents
Diagnostics to Improve Linear Model Fit - OLS Analysis and Residual Plots
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- 1 Intro
- 2 OLS on Anscombe data
- 3 OLS: Residual Analysis
- 4 OLS: Residual Plots of Anscombe data
- 5 Normal Q-Q Plot
- 6 OLS: Checking for normality of errors
- 7 OLS: Checking for non-uniform error variance
- 8 OLS: Checking for outliers in data
- 9 OLS: Example for outlier detection
- 10 Residual plot for US Bonds data
- 11 OLS on US bonds example after removing outliers
