This concerns the contributed package "concord". Sorry to bother
you with it, but my attempt to contact the author/maintainer
failed (see below). Perhaps you can forward it, or let me
know where to send it.
Regards, Rob Kushler
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Full_Name: Robert Kushler
Version: 2.4.1
OS: Windows XP
Submission from: (NULL) (69.245.71.40)
In the constant leverage case, plot #5 is not correctly produced.
The labels on the x-axis are sorted correctly by magnitude of the
fitted value, but the data are plotted in the original factor order
Full_Name: Robert Kushler
Version: 2.7.2
OS: Windows XP
Submission from: (NULL) (69.246.102.98)
I believe that the negative binomial family (from MASS) should be added to the
list for which dispersion is set to 1.
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R-devel@r-project.org mailing list
There is a problem with the "Constant Leverage" plot. Try the following:
y <- c(8,9,7,9,6,9,5,9)
grp <- factor(rep(1:4,each=2),labels=c('A','B','C','D'))
mod <- lm(y ~ grp)
windows()
par(mfrow=c(2,2))
plot(mod)
# Plot 5 ("Constant Leverage") has X axis labels sorted
# by the fitted value (as adv