Or use range( 0, y1, y2, y3, na.rm=TRUE, finite=TRUE ) -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111
> -----Original Message----- > From: William Dunlap [mailto:wdun...@tibco.com] > Sent: Thursday, February 05, 2009 2:38 PM > To: Greg Snow; marc_schwa...@comcast.net; ted.hard...@manchester.ac.uk > Cc: R-Devel > Subject: RE: [Rd] "open-ended" plot limits? > > > > -----Original Message----- > > From: r-devel-boun...@r-project.org > > [mailto:r-devel-boun...@r-project.org] On Behalf Of Greg Snow > > Sent: Thursday, February 05, 2009 1:15 PM > > To: marc_schwa...@comcast.net; ted.hard...@manchester.ac.uk > > Cc: R-Devel > > Subject: Re: [Rd] "open-ended" plot limits? > > > > I use range( 0, y ) rather than c(0, max(y)), that way if > > there are any y values less than 0, the limits still include > > them (and it is slightly shorter :-). > > To mimic what plot does by default you must ignore the NA's > and Inf's in y with something like > range(0,y[is.finite(y)]) > It might be nice to have an na.rm-like argument for ignoring > the Inf's - it gets tedious to write > range(0, y1[!is.finite(y1)], y2[!is.finite(y2)], ...) > Also, when you get into really long vectors the explicit subscripting > can run you out of memory. > > Bill Dunlap > TIBCO Software Inc - Spotfire Division > wdunlap tibco.com > > > > > This also extends to cases where you may know that you will > > be adding additional data using points or lines, so you can > > do ylim=range(0, y1, y2, y3) and it will give enough room to > > add the other y variables in latter. > > > > Hope this helps, > > > > -- > > Gregory (Greg) L. Snow Ph.D. > > Statistical Data Center > > Intermountain Healthcare > > greg.s...@imail.org > > 801.408.8111 > > > > > > > -----Original Message----- > > > From: r-devel-boun...@r-project.org [mailto:r-devel-boun...@r- > > > project.org] On Behalf Of Marc Schwartz > > > Sent: Thursday, February 05, 2009 1:57 PM > > > To: ted.hard...@manchester.ac.uk > > > Cc: R-Devel > > > Subject: Re: [Rd] "open-ended" plot limits? > > > > > > on 02/05/2009 02:48 PM (Ted Harding) wrote: > > > > Hi Folks, > > > > Maybe I've missed it already being available somehow, > > > > but if the following isn't available I'd like to suggest it. > > > > > > > > If you're happy to let plot() choose its own limits, > > > > then of course plot(x,y) will do it. > > > > > > > > If you know what limits you want, then > > > > plot(x,y,xlim=c(x0,x1),ylim(y0,y1) > > > > will do it. > > > > > > > > But sometimes one would like to > > > > a) make sure that (e.g.) the y-axis has a lower limit (say) 0 > > > > b) let plot() choose the upper limit. > > > > > > > > In that case, something like > > > > > > > > plot(x,y,ylim=c(0,NA)) > > > > > > > > would be a natural way of specifying it. But of course that > > > > does not work. > > > > > > > > I would like to suggest that this possibility should be > available. > > > > What do people think? > > > > > > > > Best wishes, > > > > Ted. > > > > > > Ted, > > > > > > Unless I am mistaken in what you are looking for: > > > > > > plot(x, y, ylim = c(0, max(y))) > > > > > > would seem do what you want. If otherwise unspecified, plot() uses > > > range(y) to define 'ylim'. > > > > > > HTH, > > > > > > Marc Schwartz > > > > > > ______________________________________________ > > > R-devel@r-project.org mailing list > > > https://stat.ethz.ch/mailman/listinfo/r-devel > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
