Influential points - Cook's distance, DFFITS, DFBETAS
34.5 هزار بار بازدید -
8 سال پیش
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Popular measures of influence -
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
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
8 سال پیش
در تاریخ 1395/11/03 منتشر شده
است.
34,554
بـار بازدید شده