Bert Gunter <gunter.berton <at> gene.com> writes:
>
> Yes, I realize that it is more likely a misunderstanding on my part.
> Suitable humility will be tendered if this is pointed out.
>
> The claimed "bug" is that predict.lm throws an error when the
scale
> argument is specified with interval = "conf" (and in some other
> cases):
>
> > z <- lm(rnorm(10)~I(1:10))
>
> > predict(z,int="conf",scale=1)
> Error in predict.lm(z, int = "conf", scale = 1) : object
'w' not found
>
> R version 3.0.2 (2013-09-25)
> Platform: i386-w64-mingw32/i386 (32-bit)
>
> Cheers,
> Bert
>
I do not see this (see below).
Maybe traceback() or options(recover=browser) to get
to the bottom??
> z <- lm(rnorm(10)~I(1:10))
> predict(z,int="conf",scale=1)
fit lwr upr
1 0.02491723 -1.1270591 1.1768935
2 0.06402057 -0.9129873 1.0410284
3 0.10312392 -0.7185606 0.9248085
4 0.14222726 -0.5569958 0.8414504
5 0.18133060 -0.4477852 0.8104464
6 0.22043395 -0.4086818 0.8495497
7 0.25953729 -0.4396858 0.9587604
8 0.29864063 -0.5230439 1.1203252
9 0.33774398 -0.6392639 1.3147518
10 0.37684732 -0.7751290 1.5288236> version
_
platform x86_64-apple-darwin10.8.0
arch x86_64
os darwin10.8.0
system x86_64, darwin10.8.0
status
major 3
minor 0.2
year 2013
month 09
day 25
svn rev 63987
language R
version.string R version 3.0.2 (2013-09-25)
nickname Frisbee Sailing >