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facial
2007 Jan 28
1
plot.lm (PR#9474)
...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.
I changed
facval[ord] <- facval
xx <- facval
plot(facval, rs, xlim = c(-1/2, sum((nlev - 1) *
to
# facval[ord] <- facval
xx <- facval[ord]
plot(xx, rs, xlim = c(-1/2, sum((nlev - 1) *
in the "if (isConst.hat)" se...
2009 Aug 21
1
problem with plot.lm?
...ing this issue to r-devel as my idea of sending it to r-help
appears to be wrong.
The following is reproducible in R-patched and R-devel (also in older
versions).
An outlier is inserted in group E and the last plot by plot.lm
suggests that the point belongs to D.
It appears to me that:
* (facval, rsp) and
* x$xlevels[[1L]][order(sapply(split(yh,mf[,1]), mean))]
are sorted differently.
set.seed(2)
a <- rnorm(50,0,2)
x <- rep(seq(10, 50, by=10), each=10)
y <- x+a
f <- rep(c("e","a","c","b","d"), rep(10,5))
f <- as.factor(f)
y...