# Problem with plot.ts, "["

**Adrian Trapletti
**
Adrian.Trapletti@wu-wien.ac.at

*Mon, 05 Jul 1999 08:21:44 +0000*

Peter Dalgaard BSA wrote:
>* Adrian Trapletti <Adrian.Trapletti@wu-wien.ac.at> writes:
*>*
*>* > There seems to be a problem with plot.ts (R Version 0.64.2)
*>* >
*>* > >x<-cbind(1:10,2:11)
*>* > >x<-as.ts(x)
*>* > >plot(x)
*>* > Error: subscript (20) out of bounds, should be at most 10
*>* > >
*>* >
*>*
*>* If it's any consolation to you, this didn't work in 0.64.1 and not in
*>* 0.65unstable either, although it gets a different error there...
*>*
*>* > The problem is located in "[.ts":
*>* >
*>* > > x<-cbind(1:10,2:11)
*>* > > x[is.finite(x)]
*>* > [1] 1 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 11
*>* > > x<-as.ts(x)
*>* > > x[is.finite(x)]
*>* > Error: subscript (20) out of bounds, should be at most 10
*>* > >
*>* >
*>* > and there (in "[.ts") the following statement gives the error:
*>*
*>* Actually, I suspect that the mistake is to do x[is.finite(x)] in the
*>* first place. It is used to calculate ranges for plot limits, but one
*>* might better have used range(x,finite=TRUE) for that.
*
In fact, that works fine and does not affect the "[.ts" method.
Concerning "[.ts" method, I think the user expects that it works
like the "[" for vectors and matrices with further setting the
tsp attributes correctly. Hence, also for me the actual behaviour
is more a bug than a feature...
thanks
Adrian
>*
*>*
*>* --
*>* O__ ---- Peter Dalgaard Blegdamsvej 3
*>* c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
*>* (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
*>* ~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk) FAX: (+45) 35327907
*
--
Adrian Trapletti, Vienna University of Economics and Business
Administration, Augasse 2-6, A-1090 Vienna, Austria
Phone: ++43 1 31336 4561, Fax: ++43 1 31336 708,
Email: adrian.trapletti@wu-wien.ac.at
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