Thanks! That was exactly what I was looking for. best regards
*pablo de camargo cerdeira* pablo.cerde...@gmail.com | pa...@fgv.br Phone: +55-(21)-3799-6065 [image: Facebook] <http://www.facebook.com/pablo.cerdeira>[image: LinkedIn]<http://br.linkedin.com/in/pablocerdeira>[image: Google] <http://www.google.com/profiles/pablo.cerdeira> [image: Google Talk/]pablo.cerdeira [image: Skype/]pablocerdeira On Wed, Aug 18, 2010 at 2:14 AM, Charles C. Berry <cbe...@tajo.ucsd.edu>wrote: > On Wed, 18 Aug 2010, Pablo Cerdeira wrote: > > Hi all, >> >> I'm trying to plot this two curves in a single cartesian plane, but when I >> plot the first one, the plot appears with no negative "y" value. When I >> plot >> the second curve, it almost does not apear in the graph. >> >> I was trying the plot.window but with no success. >> >> Can someone help me with this? >> > > The answer is in > > ?par > > but it requires a bit of deduction. Start with the description of yaxs, > which refers to xaxs. Notice what the xaxs paragraph says about xlim. If you > can figure out that there is also a ylim arg, then you are pretty much > finished. Something like > > plot( f, -10, 10, ylim=c(-100,100) ) > > will reveal both curves. > > xlim and ylim also appear briefly in R-Intro ni Appendix A. > > FWIW, one can use xlim and ylim to 'zoom in' on a section of a plot. > > HTH, > > Chuck > > >> If possible, I'd like to plot this curves in a perfect cartesian plane. >> >> f = function(x) { >> x^2 >> } >> f2 = function(x) { >> -x^2 >> } >> >> plot(f,-10,10) >> abline(h=0, v=0, col = "gray60") >> curve(f2,col="orange", add=T) >> >> Thanks in advanced! >> >> >> *pablo de camargo cerdeira* >> pablo.cerde...@gmail.com | pa...@fgv.br >> Phone: +55-(21)-3799-6065 >> [image: Facebook] <http://www.facebook.com/pablo.cerdeira>[image: >> LinkedIn]<http://br.linkedin.com/in/pablocerdeira>[image: >> Google] <http://www.google.com/profiles/pablo.cerdeira> >> >> [image: Google Talk/]pablo.cerdeira [image: Skype/]pablocerdeira >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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. >> >> > Charles C. Berry (858) 534-2098 > Dept of Family/Preventive > Medicine > E mailto:cbe...@tajo.ucsd.edu UC San Diego > http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901 > > > [[alternative HTML version deleted]] ______________________________________________ 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.
