Dan, Thank you for your reply! Indeed, the message is consistent when using the unstable version 2014-03-31 r65345. Even when using this version, though, I observe the following inconsistency:
Adams-MacBook-Air:work adam$ R --vanilla R Under development (unstable) (2014-03-31 r65345) -- "Unsuffered Consequences" Copyright (C) 2014 The R Foundation for Statistical Computing Platform: x86_64-apple-darwin10.8.0 (64-bit) ... ... Type 'q()' to quit R. > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select less than one element > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select more than one element > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select less than one element > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select less than one element > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select more than one element > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select less than one element > x<-1:4; dim(x)<-c(2,2); x[[-2, 0]] Error in x[[-2, 0]] : attempt to select less than one element Any thoughts? Thank you Adam On Wed, Apr 2, 2014 at 3:32 PM, Dan Tenenbaum <dtene...@fhcrc.org> wrote: > > > ----- Original Message ----- > > From: "Adam Welc" <adamw...@yahoo.com> > > To: r-devel@r-project.org > > Sent: Wednesday, April 2, 2014 3:11:28 PM > > Subject: [Rd] inconsistent error messages on Mac OS X > > > > Hi All, > > > > I am one of the contributors to the FastR project ( > > https://bitbucket.org/allr <https://bitbucket.org/allr.>) and I have > > encountered an interesting issue when trying to implement vector > > accesses > > within FastR. I am trying to understand what kind of error message > > should > > be generated for the following expression: > > > > x<-1:4; x[[1]]<-NULL; x > > > > In order to determine the error message, I ran the shell of standard > > GNU R > > (installed via MacPorts - R version 2.15.3) on Mac OS X 10.8.5 as > > follows, > > with R metadata (that is .RData or .Rhistory files) removed from the > > current directory > > Instead you should probably start R as follows: > > R --vanilla > > ?Startup explains why removing .RData etc from the current directory is > not enough, in the absence of --vanilla. > > >(I have edited portions of the R header printed > > when the > > shell starts for the sake for readability): > > > > Adams-MacBook-Air:work adam$ R > > > > R version 2.15.3 (2013-03-01) -- "Security Blanket" > > Copyright (C) 2013 The R Foundation for Statistical Computing > > ISBN 3-900051-07-0 > > Platform: x86_64-apple-darwin12.3.0/x86_64 (64-bit) > > ... > > ... > > Type 'q()' to quit R. > > > > > x<-1:4; x[[1]]<-NULL; x > > Error in x[[1]] <- NULL : > > incompatible types (from NULL to integer) in [[ assignment > > > q() > > Save workspace image? [y/n/c]: n > > > > > > Adams-MacBook-Air:work adam$ R > > > > R version 2.15.3 (2013-03-01) -- "Security Blanket" > > Copyright (C) 2013 The R Foundation for Statistical Computing > > ISBN 3-900051-07-0 > > Platform: x86_64-apple-darwin12.3.0/x86_64 (64-bit) > > ... > > ... > > Type 'q()' to quit R. > > > > > x<-1:4; x[[1]]<-NULL; x > > Error in x[[1]] <- NULL : > > more elements supplied than there are to replace > > > > > > > > > As you can see, the error message for the same expression is > > different on > > two subsequent executions of the GNU R shell (with no workspace image > > saving - but it does not matter, as I observe the same behavior if > > the > > workspace is saved). > > > > I tried the same thing on Linux, but there the behavior seems > > consistent > > (the second message is displayed in each execution). > > > > This issue is not specific to this single expression - it happens in > > other > > (though not all) cases when the NULL value is assigned to an element > > of a > > vector. > > > > I was wondering if someone has observed the same behavior and perhaps > > knows > > what may be causing it... > > > > I can't reproduce this on > R Under development (unstable) (2013-10-12 r64048) > > with or without --vanilla, it consistently gives the second error message. > > Dan > > > > Thank you > > > > Adam > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
