Thanks a lot! This got me started! Joh
Dennis Murphy wrote: > Hi: > > Try this: > > library(ggplot2) > movmed <- ddply(movies, .(decade), summarise, med = median(rating)) > m + geom_point(data = movmed, aes(x = med), y = 0, size = 2) > > HTH, > Dennis > > On Wed, Mar 31, 2010 at 4:46 AM, Johannes Graumann > <johannes_graum...@web.de >> wrote: > >> Hi, >> >> Consider something like >> > library(ggplot2) >> > movies$decade <- round_any(movies$year, 10) >> > m <- qplot(rating,data=movies,colour=factor(decade),geom="density") >> > m >> (modified from "?stat_density"). >> >> I'd like to add on the line y=0 a dot for the median of each "decade" >> category (using the same colour coding as the "fill"). I'm failing >> miserably >> at all my >> > m + geom_point >> based approaches and would appreciate if someone could show me the >> ggplot2 way of achieving this. >> >> Thanks, Joh >> >> ______________________________________________ >> 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. >> > > [[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.
