> -----Original Message----- > From: mat [mailto:matthieu.stig...@gmail.com] > Sent: Monday, January 24, 2011 2:09 PM > To: William Dunlap > Cc: jim holtman; r-help@r-project.org; murdoch.dun...@gmail.com > Subject: Re: [R] error with source(): invalid 'times' value > > indeed this makes the trick! quite strange... is this a known > bug/issue?
It is known now. The problem arises while printing the output of parse because the srcref attribute contains the numbers from those #line <number> entries and the printing routine gets confused if the numbers are out of the range 1 through the number of lines of text. Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com > > thanks! > > Matthieu > > Le 24. 01. 11 19:48, William Dunlap a écrit : > > Put a space after the # in the line > > #line 516 > > to avoid the problem. A similar problem also > > appears in parse(). > > > > > parse(text="#line 102\nlog(pi)\n") > > Error in `Encoding<-`(`*tmp*`, value = character(0)) : > > 'value' must be of positive length > > > parse(text="# line 102\nlog(pi)\n") > > expression(log(pi)) > > attr(,"srcfile") > > <text> > > attr(,"wholeSrcref") > > # line 102 > > log(pi) > > > > (I'm still using 2.12.0.) > > > > Bill Dunlap > > Spotfire, TIBCO Software > > wdunlap tibco.com > > > >> -----Original Message----- > >> From: r-help-boun...@r-project.org > >> [mailto:r-help-boun...@r-project.org] On Behalf Of jim holtman > >> Sent: Monday, January 24, 2011 10:19 AM > >> To: Matthieu Stigler > >> Cc: r-help@r-project.org > >> Subject: Re: [R] error with source(): invalid 'times' value > >> > >> Do 'str(dep)' to see what dep is and where it comes from. > If you have > >> the 'options' set as I suggested, you can do this > examination when the > >> error occurs. > >> > >> On Mon, Jan 24, 2011 at 12:41 PM, Matthieu Stigler > >> <matthieu.stig...@gmail.com> wrote: > >>> ok, thanks Jim > >>> > >>> The problem comes from length(dep)<leading, so we get > >> negative number... > >>>> length(dep) > >>> [1] 183 > >>> > >>> c(leading, length(dep) - leading) > >>> [1] 516 -333 > >>> > >>> But 183 seems to be the right number: > >>> $ wc -l /tmp/RFile.r > >>> 183 /tmp/RFile.r > >>> > >>> So now need to understand what is this "dep", and why it > >> has a bigger > >>> length... tried to check source code (:-)) but could not > >> get it... any idea? > >>> Thanks a lot > >>> > >>> Matthieu > >>> > >>> > >>> Le 24. 01. 11 18:29, jim holtman a écrit : > >>>> It sounds like you have some invalid expressions. Dump > >> out the values > >>>> of 'leading' and 'length(dep) - leading'. Learn some > >> simple debugging > >>>> techniques. One is to set > >>>> > >>>> options(error=utils::recover) > >>>> > >>>> so that on the error you can use the browser to examine > >> what the values > >>>> are. > >>>> > >>>> On Mon, Jan 24, 2011 at 12:07 PM, Matthieu Stigler > >>>> <matthieu.stig...@gmail.com> wrote: > >>>>> hi > >>>>> > >>>>> I am seeing a strange behavior I can't understand... doing: > >>>>> > >>>>>> source("/tmp/RFile.r",echo=TRUE) > >>>>> Error in rep.int(c(prompt.echo, continue.echo), > >> c(leading, length(dep) - > >>>>> : > >>>>> invalid 'times' value > >>>>>> traceback() > >>>>> 3: rep.int(c(prompt.echo, continue.echo), c(leading, > length(dep) - > >>>>> leading)) > >>>>> 2: paste(rep.int(c(prompt.echo, continue.echo), > >> c(leading, length(dep) - > >>>>> leading)), dep, sep = "", collapse = "\n") > >>>>> 1: source("/tmp/RFile.r", echo = TRUE) > >>>>> But the file I am trying to source is very simple... see: > >>>>> $ more /tmp/RFile.r > >>>>> ################################################### > >>>>> ### chunk number 1: > >>>>> ################################################### > >>>>> #line 516 "VolStocksDec2010.Rnw" > >>>>> path<-"~/Dropbox/FAO/Papers/Volatility only" > >>>>> pathMarkov<-"~/Dropbox/FAO/Markov Model/" > >>>>> library(zoo) > >>>>> > >>>>> Any idea where it can come from? It works fine when > >> echo=FALSE... I am > >>>>> using > >>>>> R 2.12, on Ubuntu Linux 10.4 (R from CRAN), full session > >> info below. > >>>>> Should > >>>>> I rather send this to r-devel? > >>>>> > >>>>> Thanks a lot > >>>>> > >>>>> Matthieu > >>>>> > >>>>> > >>>>> sessionInfo() > >>>>> R version 2.12.1 (2010-12-16) > >>>>> Platform: i486-pc-linux-gnu (32-bit) > >>>>> > >>>>> locale: > >>>>> [1] LC_CTYPE=fr_CH.utf8 LC_NUMERIC=C > >>>>> [3] LC_TIME=fr_CH.utf8 LC_COLLATE=fr_CH.utf8 > >>>>> [5] LC_MONETARY=C LC_MESSAGES=en_US.UTF-8 > >>>>> [7] LC_PAPER=fr_CH.utf8 LC_NAME=C > >>>>> [9] LC_ADDRESS=C LC_TELEPHONE=C > >>>>> [11] LC_MEASUREMENT=fr_CH.utf8 LC_IDENTIFICATION=C > >>>>> > >>>>> attached base packages: > >>>>> [1] stats graphics grDevices datasets utils > >> methods base > >>>>> loaded via a namespace (and not attached): > >>>>> [1] grid_2.12.1 lattice_0.19-17 Matrix_0.999375-45 > >>>>> [4] nnet_7.3-1 tsDyn_0.7-40 tseries_0.10-23 > >>>>> [7] tseriesChaos_0.1-11 > >>>>> > >>>>> ______________________________________________ > >>>>> R-help@r-project.org 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. > >>>>> > >>>> > >>> > >> > >> > >> -- > >> Jim Holtman > >> Data Munger Guru > >> > >> What is the problem that you are trying to solve? > >> > >> ______________________________________________ > >> R-help@r-project.org 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@r-project.org 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.
