[R-sig-ME] Prediction interval values

Petar Milin pmilin at ff.uns.ac.rs
Tue Nov 16 13:41:28 CET 2010

Sorry for posting this here, but I did not get any answer at the R-help list. In brief,
I wonder how can one get upper and lower limits of a prediction interval
-- exact values, for random-effects? They are shown on caterpillar plot using ranef() with
argument postVar=TRUE, but I would like to know them. A while ago, some
discussions were opened on "Confidence Intervals for Random Effect
BLUP's", but the answer was never clear:


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