ggplot
Hi Alaios, I don't see how the error message could be any clearer. You must specify the labels for geom_text. Best, Ista
On Fri, Apr 22, 2011 at 7:27 AM, Alaios <alaios at yahoo.com> wrote:
Hello everyone, I am using ggplot to plot but I am getting the following error which I do not understand Error: geom_text requires the following missing aesthetics: label My code is ?dimx<-256 ?library(ggplot2) ?dev.new() ?xandy<-expand.grid(seq(1:dimx),seq(1:dimy)) ?xx<-data.frame(xandy[[1]],xandy[[2]],Powermap=Powermap) ?subsetxx<-subset(xx, xx$Powermap>threshold) ?ggplot( (subsetxx ) )+ ?geom_point(aes(x,y,colour=cut(Powermap,c(0,-1,-10,-20,-30,-40,-50,-60,-70,-80,-90,-100,-110))))+ ?geom_text(aes(x,y,color=cut(Powermap, c(0,-1,-10,-20,-30,-40,-50,-60,-70,-80,-90,-100,-110)), label=round(Powermap,3)),vjust=1,legend=FALSE)+labs(colour="Powermap")+ ?coord_cartesian(xlim = c(1, dimx),ylim = c(1, dimy))
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Ista Zahn Graduate student University of Rochester Department of Clinical and Social Psychology http://yourpsyche.org