Displaying 2 results from an estimated 2 matches for "influenceplot".
2009 Mar 05
2
identify() and postscript output
In the following, I'm fitting a logistic regression model, and using
car:::influencePlot. When I run the latter with
output to the screen, it calls identify() that lets me label
observations with large CookD.
However, if I use postscript() to get .eps output, identify() seems not
to be called at all. If instead, I
use dev.copy2eps() after getting output to the screen, the point la...
2012 Jan 29
0
Using influence plots and obtaining id numbers
...p excluding the
points R refers to, 7, 18, 26, and 105. However, my question is, how can I
understand which ID numbers these points (7,18,26, and 105) are referring
to? These numbers, 7,18, 26. and 105, are definitely not my study ID
numbers.
> Myoutput<-aov(sib~newgroup1, data=Study1)
> influencePlot(Myoutput)
[1] 7 18 26 105
> influence.measures(Myoutput)
Influence measures of
aov(formula = sib ~ newgroup1, data = Study1) :
dfb.1_ dfb.nw12 dfb.nw13 dfb.nw14 dfb.nw15 dffit cov.r
cook.d hat inf
33 1.70e-01 -1.33e-01 -1.53e-01 -1.56e-01 -1.52e-01 0.170405 1.124
5...