Stephen Sefick <sas0025 <at> auburn.edu> writes:
> I'm sorry I didn't give the correct code, or explaination; the > shape=pch doesn't work anymore. For example this used to work, but no > longer can accept continuous values: > > #example code > a <- 1:10 > b <- 1:10 > pch <- 1:10 > > q <- data.frame(a,b,pch) > > qplot(a,b, shape=pch) Not entirely clear what you want it to do: how *would* you map a continuous variable onto shape (assuming you're not using something like Chernoff faces)? Does qplot(a,b,shape=factor(pch,levels=1:10)) do what you want? A couple of possibly useful recent Stack Overflow posts (URLs broken): http://stackoverflow.com/questions/10002627/ ggplot2-0-9-0-automatically-dropping-unused-factor-levels-from-plot-legend http://stackoverflow.com/questions/11361404/ consistent-legend-colors-with-qplot > many thanks, > > Stephen Sefick > > On 07/17/2012 07:28 PM, Stephen Sefick wrote: > > Is there a way to use a continuous variable to pch in qplot? I > > believe this worked in previous version. I need to specify certain > > values of a shape for particular points so that multiple graphs all > > show the same shapes for the same streams. I have gone to the > > original data and added a pch column that I would like to use to > > specify the shapes to pch in qplot. Any help would be greatly > > appreciated. > > > > #example code > > a <- 1:10 > > b <- 1:10 > > pch <- 1:10 > > > > q <- data.frame(a,b,pch) > > > > qplot(a,b, pch=pch) > > > > Many thanks, > > > ______________________________________________ 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.
