Hello,

I have been using lme, and also intervals.lme to estimate the confidence
interval for the parameter estimates.

Here is my model:

lmefitted1<-lme(Feedingtime ~ Weight*Feeder, random=~1|ID,data=prey)

Feedingtime= feeding in sec
Weight= Weight of the prey
Feeder= 3 different feeders

>From the intervals.lme I calculate the regression line for the different
feeders (weight vs. feeding time).

How do I get the confidence intervals for the regression line when using
lme?

I have search for help and only find solutions for lm, predict.lm with the
option interval="confidence", also found a answer from the R-archive but I
didn't understand it...

Hope for help

Regards Cotter

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