Thank you, Baptiste! I think that this will work for me. Looking into the coord_polar function of ggplot2, I think that the racetrack plot at the bottom of the page (http://had.co.nz/ggplot2/coord_polar.html) will be exactly what I need.
On Mon, Jun 27, 2011 at 8:09 PM, baptiste auguie <baptiste.aug...@googlemail.com> wrote: > Try this, > > > library(ggplot2) > > d <- data.frame(theta = runif(10, 0, 360), r = runif(10, 0, 3)) > > ggplot(d, aes(x=theta, y=r, size=r)) + coord_polar(start=0)+ > geom_point() + > scale_x_continuous(breaks=seq(0, 360, by=30), expand=c(0,0), lim=c(0, 360))+ > scale_area() > > HTH, > > baptiste > > On 28 June 2011 10:35, Patrick Jemison <jemi...@gmail.com> wrote: >> I'd like to create a polar plot similar to those created by the polarFreq >> function in the openair package. However, this package seems to be specific >> to wind speed and direction, and requires a "ws" (wind speed) and a "wd" >> (wind direction) column. My data is unrelated to wind speed, but I'd like >> to be able to get a plot that does what polarFreq's plots do; I'd like to >> have points that expand as their distance from the center increases. >> >> http://www.oga-lab.net/RGM2/func.php?rd_id=openair:polarFreq >> >> Without this property, my plot looks more like spokes on a wheel, or similar >> to the polar.plot function in the plotrix package: >> http://www.oga-lab.net/RGM2/func.php?rd_id=plotrix:polar.plot >> >> Is there a package or function available that allows the creation of a plot >> as described above for a generic set of polar data? I spent a few hours >> today trying to find something I could use, but no luck yet. >> >> I'm using data of the form: x = r, y = theta, and z = a value to plot at the >> corresponding r,theta (as a comparison, for the polarFreq plot, z would be >> the frequency that is indicated by various colors in the plot). >> >> I appreciate any help! >> >> Patrick Jemison >> >> ______________________________________________ >> 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. >> > ______________________________________________ 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.
