Hello, This is my first time posting to the r-help mailing list and I'm a relative amateur using R, so forgive my naivety. I am constructing a ternary diagram using the ggtern extension of the ggplot package, and I'm having some trouble with the colour gradient I want it to display. I have attached the output plot, where a rainbow colour gradient can be seen, but I really need these colours to be in reverse order. This is the command I used to construct the plot;
#Plot construction > ggtern(data= C27_C29_C31, aes(x=C27,y=C29,z=C31))+geom_point(aes(colour= > GST),size=3)+theme_light()+theme_nogrid_minor()+scale_colour_gradientn(colours > = rainbow(5.5)) Is there a simple way to reverse the colours in the scale_colour_gradientn command? Kind regards, Jake Andrae
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