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.
Thanks, Thierry ------------------------------------------------------------------------ ---- ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, methodology and quality assurance Gaverstraat 4 9500 Geraardsbergen Belgium tel. + 32 54/436 185 [EMAIL PROTECTED] www.inbo.be Do not put your faith in what statistics say until you have carefully considered what they do not say. ~William W. Watt A statistical analysis, properly conducted, is a delicate dissection of uncertainties, a surgery of suppositions. ~M.J.Moroney > -----Oorspronkelijk bericht----- > Van: Uwe Ligges [mailto:[EMAIL PROTECTED] > Verzonden: donderdag 19 juli 2007 10:39 > Aan: ONKELINX, Thierry > CC: r-help@stat.math.ethz.ch > Onderwerp: Re: [R] Strange warning in summary.lm > > > > ONKELINX, Thierry wrote: > > Dear useRs, > > > > Lately I noticed a strange warning in the summary of a > lm-object. Any > > idea what this warning is about? I'm using R 2.5.1 on Win XP pro. > > > >> x <- rnorm(100) > >> y <- rnorm(100) > >> summary(lm(y~x)) > > > > Call: > > lm(formula = y ~ x) > > > > Residuals: > > Min 1Q Median 3Q Max > > -1,77809 -0,68438 -0,04409 0,63891 2,30863 > > > > Coefficients: > > Estimate Std. Error t value Pr(>|t|) > > (Intercept) -0,00217 0,09244 -0,023 0,981 > > x 0,01315 0,09628 0,137 0,892 > > > > Residual standard error: 0,9236 on 98 degrees of freedom Multiple > > R-Squared: 0.0001903, Adjusted R-squared: -0.01001 > > F-statistic: 0.01866 on 1 and 98 DF, p-value: 0,8916 > > > > Warning message: > > NAs introduced by coercion in: as.double.default(Cf[okP]) > > Probably you have an object in your workspace or another > attached environment in the search path that conflicts with > objects that are required to call summary(lm(...)). E.g. some > lm... oder summary... function? > > Best, > Uwe Ligges > > > > > > > Thanks, > > > > Thierry > > > > > ---------------------------------------------------------------------- > > -- > > ---- > > ir. Thierry Onkelinx > > Instituut voor natuur- en bosonderzoek / Research Institute > for Nature > > and Forest Cel biometrie, methodologie en kwaliteitszorg / Section > > biometrics, methodology and quality assurance Gaverstraat 4 9500 > > Geraardsbergen Belgium tel. + 32 54/436 185 > [EMAIL PROTECTED] > > www.inbo.be > > > > Do not put your faith in what statistics say until you have > carefully > > considered what they do not say. ~William W. Watt A statistical > > analysis, properly conducted, is a delicate dissection of > > uncertainties, a surgery of suppositions. ~M.J.Moroney > > > > ______________________________________________ > > R-help@stat.math.ethz.ch mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.