I repeat myself: Please reply all to the list and don't send HTML. I'm not aware of facilities to do that automatically (though others might now them) -- you can draw arrows manually with the arrows() function.
Michael On Wed, Apr 11, 2012 at 7:08 PM, John Kim <[email protected]> wrote: > thank you so much.. > > is it possible to make arrows show up at the end of axis.. and make > numberings show up in the middle axis?? > > From: R. Michael Weylandt <[email protected]> > To: John Kim <[email protected]>; r-help <[email protected]> > Sent: Wednesday, April 11, 2012 4:06 PM > Subject: Re: [R] r graphing > > Alternatively, you can use > > curve(x^3, from = -5, to = 5); abline(h = 0, v = 0, lty = 2) > > which will work even if the axes aren't in the middle of the image. > > Michael > > On Wed, Apr 11, 2012 at 6:54 PM, R. Michael Weylandt > <[email protected]> wrote: >> Please reply all to the list and don't send HTML. >> >> curve(x^3, from = -5, to = 5); grid() >> >> If you only want dotted lines at x = 0 & y = 0 use >> >> grid(2,2) >> >> instead. >> >> Michael >> >> On Wed, Apr 11, 2012 at 6:49 PM, John Kim <[email protected]> wrote: >>> thanks for the reply.. >>> >>> i tried the code below.. it shows the graph.. but how do i make x and y >>> axis >>> show up in the middle?? >>> >>> i am teaching secondary school math.. and i need to produce graphs for >>> learning purpose.. >>> >>> i need nice x- y-axis.. in the middle.. with arrows at the end of axis.. >>> >>> can you tell me how i can realize that?? >>> >>> john >>> >>> >>> From: R. Michael Weylandt <[email protected]> >>> To: John Kim <[email protected]> >>> Cc: [email protected]; [email protected] >>> Sent: Wednesday, April 11, 2012 2:37 PM >>> Subject: Re: [R] r graphing >>> >>> The easiest way is to just use ?curve (type ?curve at the prompt to >>> get documentation for curve): e.g., curve(x^3, from = -5, to = 5) >>> >>> You could also build the plot yourself like: >>> >>> x <- seq(-5, 5, length.out = 200) >>> y <- x^3 >>> >>> plot(x,y) >>> >>> Michael >>> >>> On Wed, Apr 11, 2012 at 4:41 PM, John Kim <[email protected]> wrote: >>>> can anybody tell me how i can draw x- y- axis and draw x^3 graph using >>>> R graph?? >>>> >>>> i need nice coordinate system with legends and coordinate >>>> numberings.. >>>> >>>> and nice graph of x^3 on it.. it will be nice if you tell me how i >>>> can center the graph.. >>>> >>>> i want the origin (0,0) to be right in the middle of the graph. >>>> >>>> thank you so much. >>>> >>>> ______________________________________________ >>>> [email protected] 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. >>> >>> > > ______________________________________________ [email protected] 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.
