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30035
2006 Sep 21
0
Plot Confidence Interval for Regression
Dear R-friends
I fitted a regression using GLM and plotted fitted values agaist X axis.
Now I need plot upper and lower confidence intervals (95%) for this fit.
Acoording to ?lm help and can use something like :
[ predict.lm(mod, se.fit=T, interval = "confidence", level=.95) ]
to estimate confidence intervals. In fact this command run fine, but I can´t plot upper and