[R] ggplot2 geom_abline slope not working?
sleepingcell at gmail.com
Thu Nov 8 14:02:15 CET 2007
I am learning ggplot2, and need your help.
When I try
> p <- ggplot(mtcars, aes(x = wt, y=mpg)) + geom_point()
> p + geom_abline(slope=5)
the slope of the abline does not change, but this works:
> p + geom_abline(intercept=20)
In order to have slope work, I have to use
> p + geom_abline(aes(slope=5))
Is it a bug, or is there some reason slope and intercept were treated
Thank you very much in advance for your clarification.
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