r - How to use stat with geom_violin in ggplot2 -


i've been messing around geom_violin ggplot2. i'm able generate ugly plot shown below.

enter image description here

i think if apply log transformation or data, more clear.

in geom_violin documentation, noticed there parameter called stat. default, set ydensity. looking @ source code , not clear me transformations can pass function. know can find more documentation parameter?

in ggplot2, stat function applied data. stat="identity" leaves data (say, plotting points). stat="bin" bins data plotting histogram. stat="smooth" creates regression smoother data. in case, stat="ydensity" means geom_violin default calculates kernel density creating violin plot.

if want violin plot of log of data, pass log(data) geom_violin instead of data itself.

also, take @ the stat_summary, allows apply own functions data , select geom want use plot it.


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