Influential points - Cook's distance, DFFITS, DFBETAS

Popular measures of influence - Cook's distance, DFBETAS, DFFITS - for regression are presented.

0:00 Intro
1:04 Identifying possible individual influential points
1:19 Measures of influence based on changes in parameter estimates, or fitted Ys, and cutoffs
3:23 Example on identifying points of influence
5:15 Summary



REFERENCES
Fox (2015). Applied Regression Analysis and Generalized Linear
https://goo.gl/5FjJRD

"Introduction to Linear Regression Analysis",  Montgomery, DC, et al. https://goo.gl/op29nn

"The Statistical Sleuth", Ramsey, F, and Schafer, D.L.
https://goo.gl/8fzuJy

• #education
• #regression_influential_points_observations
• #cooks_distance
• #dffits
• #dfbetas
• #deletion_statistics