r - Is it possible to change the default color of the items in scale_size in ggplot2? -

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i change default color of scale_size_manual() in ggplot2 independent of type of data in dataframe.

is possible?

for example of items in size legend of color "red".

try this:

> p <- ggplot(mtcars,aes(x = mpg,y = disp,size = cyl)) + geom_point() > p + scale_size_continuous(guide = guide_legend(override.aes = list(colour = "red")))

oddly, override.aes seems not american spelling of color. might have track down , submit small patch...


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