[R] how to overlay 2d pdf atop scatter plot using ggplot2
Big Floppy Dog
bigfloppydog at gmail.com
Sun Oct 8 16:30:30 CEST 2017
Note: I have posted this on SO also but while the question has been
upvoted, there has been no answer yet.
Apologies for those who have seen it there also but I thought that this
list of experts may have someone who knows the answer.
I have the following example code:
xx <- data.frame(rmvt(100, df = c(13, 13)))
ggplot(data = xx, aes(x = X1, y= X2)) + geom_point() + geom_density2d()
It yields a scatterplot of X2 against X1 and a KDE contour plot of the
density (as it should).
My question is: is it possible to change the contour plot to display
of a two-dimensional density function (say dmvt), using ggplot2?
The remaining figures in my document are in ggplot2 and therefore I
am looking for a ggplot2 solution.
Thanks in advance!
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