Regression Wisdom. Getting to Know Your Scatterplot and Residuals. Important Terms. Extrapolation (203) Outlier (205) Leverage (206) Influential Point (206) Lurking Variable (208). Residuals.
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Getting to Know Your Scatterplot and Residuals
- We can form subsets of the same population to try and achieve a better analysis of the data.
- Sometimes the easiest way to achieve this is to examine a plot or histogram of residuals
Not high leverage
Not Large Residual
Pg 214, #1, 3, 4, 8, 10