I need to visualize about 10^5 points on a 2D scatterplot, with four categories. What I am currently doing is fitting a kernel density using KernelDensity.kde, making a rectangular grid, finding the contours with Countour.jl at the highest posterior density thresholds and plotting those. This wo…

Contour plot for 2d kernel density

dpsanders April 10, 2020, 2:08pm 8

I found this reference that apparently discusses this method:

GRANDINE, T. A. 2000. Applications of contouring. SIAM Rev. 42, 2 (Apr.), 297–316.

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