Dear Spencer, Thanks for the assistance and the website. It will be very helpful for my future code programming on graph in R.
Abd. Rahman ----- Original Message ----- From: "Spencer Graves" <[EMAIL PROTECTED]> To: "Michael Prager" <[EMAIL PROTECTED]> Cc: "Gabor Grothendieck" <[EMAIL PROTECTED]>; "R Help List" <r-help@stat.math.ethz.ch>; "Abd Rahman Kassim" <[EMAIL PROTECTED]> Sent: Sunday, February 12, 2006 12:40 PM Subject: Re: [R] Plotting contour & filled.contour in one graph > > Hi, Michael: > > I'm sure the example would be clearer AND more interesting if you used > real data AND accompanied it with a description like you gave below. To > help motivate the usage, you could add a few words of interpretation, > e.g., that if you want both z and zz less than 2, x and y must be in the > upper right corner. > > Thanks for this. > spencer graves > > Michael Prager wrote: >> GG >> >> Yes, gladly. It is an idealized example of the following data situation: >> There are two control or "independent variables." They are represented >> here as x and y, on the horizontal and vertical axes respectively. There >> are two different responses or "dependent" variables plotted as different >> types of contours. The filled contours show response z. The heavy lines >> show response zz. >> >> Thus such a plot displays two different responses from a two-dimensional >> range of conditions. As an example, in fishery biology, x might be the >> age at which fish are first subject to capture, y might be the fishing >> mortality rate (intensity) applied, z might be the resulting yield per >> fish, and zz might be the resulting spawning per fish. There is usually >> a trade-off between yield and spawning potential, and such a graph (if >> done with real data) allows one to look at that trade-off. The OP seemed >> to be seeking a way of contouring two responses against two independent >> variables, and that's what this graph does. >> >> Is that clearer? Would the graph would be better if I used real data? >> >> MHP >> >> >> >> Gabor Grothendieck wrote on 2/12/2006 11:31 AM: >> >>>Could you walk us through, in detail, what that graph is showing? >>> >>> >>>On 2/12/06, Michael Prager <[EMAIL PROTECTED]> wrote: >>> >>>>Besides the answers you already have, you might look at my "4D" graph >>>>example (with code) on the R Graphics Gallery: >>>> >>>>http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=90 >>>> >>>>I think it does exactly what you are asking, and therefore it might fit >>>>your needs with only slight code modification. >>>> >>>>Mike Prager >>>> >>>> >>>>Abd Rahman Kassim wrote on 2/12/2006 11:12 PM: >>>> >>>>>Dear All, >>>>> >>>>>I have a question on overlaying a filled.contour (e.g. on soil >>>>>properties data) and contour (by elevation) in one graph. Both have the >>>>>same z matrix dimension. I'm able to overlay both graph, but the plots >>>>>dimension did not overlap well on the same plots. How can I have both >>>>>filled.contour and contour on the same graph? The commands that I have >>>>>written are as follows: >>>>> >>>>>filled.contour(0:15,0:10,t(matrix(Total.C,nrow=11,ncol=16))) >>>>>contour(0:15,0:10,as.matrix(elev),add=T) >>>>> >>>>>Thanks for anay assistance. >>>>> >>>>>Regards. >>>>> >>>>> >>>>>Abd Rahman Kassim >>>>>Forest Research Institute Malaysia >>>>>Kepong 52109 >>>>>Selangor, MALAYSIA >>>>> >>>>>***************************************** >>>>> >>>>> >>>>>***************************************** >>>>> [[alternative HTML version deleted]] >>>>> >>>>>______________________________________________ >>>>>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 >>>>> >>>>> >>>> >>>>-- >>>>Michael H. Prager, Ph.D. >>>>Population Dynamics Team >>>>NOAA Center for Coastal Habitat and Fisheries Research >>>>NMFS Southeast Fisheries Science Center >>>>Beaufort, North Carolina 28516 USA >>>>http://shrimp.ccfhrb.noaa.gov/~mprager/ >>>> >>>>______________________________________________ >>>>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 >>>> >>>> >> >> > > > ***************************************** > Outgoing mail is certified Virus Free. > Checked by TrendMicro Interscan Messaging Security. > For any enquiries, please contact FRIM IT Department. > ***************************************** ______________________________________________ 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