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discrepancies
2004 Dec 29
1
Discrepancy between intervals.lme and coef.lme
...d coef.lme. I've included a toy dataset at the end, but briefly, the data are longitudinal data from couples in marital therapy. Each spouse's relationship satisfaction is measured 4 times; I've fit both linear and quadratic models to the change over time. The quadratic fits show the discrpancies.
Here's the call to lmList, coef, and intervals:
tmp.lis1 <- lmList(dv ~ time + I(time^2)| id/sex, data = tmp.df,
na.action = na.omit)
coef(tmp.lis1)
intervals(tmp.lis1)
Here is the coef() output:
(Intercept) time I(time^2)
1/Husband 89.60 11...