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AsIs aesthetics #1518

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schloerke opened this Issue Jan 25, 2016 · 2 comments

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schloerke commented Jan 25, 2016

I'm trying to use aesthetics with the AsIs function to use values as they are.

library(ggplot2)

ggplot(data = iris, aes(Sepal.Length, Sepal.Width)) + geom_point(aes(size = I(5)))
# Error in data.frame(size = 5, PANEL = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,  : 
  arguments imply differing number of rows: 1, 150
# thought process... produces error.  ok, I can make it longer.  trying again.
ggplot(data = iris, aes(Sepal.Length, Sepal.Width)) + geom_point(aes(size = I(rep(5, nrow(iris)))))

screenshot 2016-01-25 14 20 15

This produces a plot that is treated as a true value, rather than AsIs.

How can I make something a 'parameter' through the use of aes()?

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hadley commented Jan 25, 2016

You can't, unless you use ggvis.

You have to either move it outside of the aes() or use scale_size_identity()

@hadley hadley closed this Jan 25, 2016

hadley added a commit that referenced this issue Jan 25, 2016

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hadley commented Jan 25, 2016

Oh hmm, I made it work because it turned out to be easy

@hadley hadley added the feature label Jan 25, 2016

@hadley hadley added this to the v2.1.0 milestone Jan 25, 2016

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