r - Plot density with ggplot2 without line on x-axis -

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i use ggplot2::ggplot 2d plotting needs, including density plots, find when plotting number of overlapping densities extreme outliers on single space (in different colors) line on x-axis becomes little distracting.

my question then, can remove bottom section of density plot being plotted? if so, how?

you can use example:

library(ggplot2) ggplot(movies, aes(x = rating)) + geom_density()

enter image description here

should turn out this:

enter image description here

how using stat_density directly

 ggplot(movies, aes(x = rating)) + stat_density(geom="line")

enter image description here


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