[R] Strange warning in summary.lm
P.Dalgaard at biostat.ku.dk
Thu Jul 19 14:39:54 CEST 2007
Prof Brian Ripley wrote:
> On Thu, 19 Jul 2007, Peter Dalgaard wrote:
>> ONKELINX, Thierry wrote:
>>> The problem also exists in a clean workspace. But I've found the
>>> troublemaker. I had set options(OutDec = ","). Resetting this to
>>> options(OutDec = ".") solved the problem.
>> Oups. That sounds like there's a bug somewhere. Can you cook up a
>> minimal example which shows the behaviour?
> Any use of summary.lm will do it (e.g. example(lm)). The problem is in
> printCoefmat, at
> x0 <- (xm[okP] == 0) != (as.numeric(Cf[okP]) == 0)
> and yes, it looks like an infelicity to me.
Ick. Any better ideas than
printsAs0 <- scan(con <- textConnection(Cf[okP), dec=options("outDec")) ; close(con)
x0 <- (xm[okP] == 0) != printsAs0
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