[R] qplot and colors (Please Help)

[John Kane]

Something like this may do it.

http://stackoverflow.com/questions/6919025/how-to-assign-colors-to-categorical-variables-in-ggplot2-that-have-stable-mappin

John Kane
Kingston ON Canada


> -----Original Message-----
> From: david_lyon3 at yahoo.com
> Sent: Wed, 27 Jun 2012 09:07:53 -0700 (PDT)
> To: r-help at r-project.org
> Subject: [R] qplot and colors (Please Help)
> 
> 
> 
> Please help:
> 
> 
> I am using qplot as below and want to specify a different color scheme
> for race but dont know how, can someone show me.
> 
> 
> Thanks in advance
> 
> 
> 
> Code and input file below:
> 
> 
> 
> library(ggplot2)
> library(gridExtra)
> d<-read.table("results", header=TRUE, fill=TRUE)
> plot2<-qplot(X,Y,data=d,color=race,facets=TYPE~., xlab="X", ylab="Y") +
> theme_bw()
> grid.arrange(plot2,ncol=1)
> dev.off()
> 
> 
> cat  results
> <snip>
> X       Y       ID      race    TYPE
> 0.0350  0.0200    1    X    NA
> 0.0280  0.0251    2    X    NA
> 0.0258  0.0175    3    Y    NA
> </snip>
> 
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