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// Create random density data
val rand = java.util.Random(42)
val n = 500
val dataset = dataFrameOf(
    "rating" to List(n / 2) { rand.nextGaussian() } + List(n / 2) { rand.nextGaussian() * 1.5 + 1.5 },
    "cond" to List(n / 2) { "A" } + List(n / 2) { "B" }
)

// Density plot
val myPlot = plot(dataset) {
    groupBy(cond) {
        densityPlot(rating, trim = true) {
            fillColor = Color.GREY
            alpha = 0.6
            borderLine.color("cond")
        }
    }
}

myPlot

Export PNG to file

val pathPNG = myPlot.save("myDensity.png")

javax.imageio.ImageIO.read(File(pathPNG))

Export SVG to file

val pathSVG = myPlot.save("myDensity.svg")

HTML(File(pathSVG).readText())

Export HTML to file

val pathHTML = myPlot.save("myDensity.html")

HTML(File(pathHTML).readText())

Last modified: 07 December 2023