Hi all:
I am trying to draw a horizontal line along the zero
"Y axis" value but since zero isn't showing therefore
the line is not drawn. If I set my intercept to 15
then it'll work but I dont want to hardcode it because
the Y axis parameters could be different for another
variable. I would like to alway set my hline along the
zero as default. Thanks
p <- ggplot(mtcars, aes(x = wt, y=mpg)) + geom_point()
p + geom_hline(intercept=0)
Felipe D. Carrillo
Fishery Biologist
US Fish & Wildlife Service
California, USA
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