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minati
2006 Nov 28
1
Slight discrepancy between predict.lm() and all.effects()
In the course of exploring response prediction, I stumbled upon a
small discrepancy between the CIs produced by predict.lm() and
all.effects()
require(mlmRev)
require(effects)
hsb.lm <- lm(mAch ~ minrty * sector, Hsb82)
hsb.new <- data.frame(
minrty = rep(c('No', 'Yes'), 2),
sector = rep(c('Public', 'Catholic'), each = 2))
hsb.eff <-
2006 Nov 27
1
Help with response CIs for lme
Hi,
Can someone please offer a procedure for going from CIs produced by
intervals.lme() to fixed-effects response CIs.
Here's a simple example:
library(mlmRev)
library(nlme)
hsb.lme <- lme(mAch ~ minrty * sector, random = ~ 1 | cses, Hsb82)
(intervals(hsb.lme))
(hsb.new <- data.frame
minrty = rep(c('No', 'Yes'), 2),
sector = rep(c('Public',