Boxplot Categories

val random = kotlin.random.Random(42)
fun generateData(category: String) =
    dataFrameOf((0..<10).map { it.toString() }) { List(100) { random.nextDouble(0.0, 100.0) } }
        .gather(*(0..<10).map { it.toString() }.toTypedArray())
        .into("num", "value").add("category") { category }

val dataset = generateData("category0")
    .concat(generateData("category1"))
    .concat(generateData("category2"))

dataset.groupBy("category").plot {
    boxplot("num", "value") {
        boxes {
            position = Position.dodge()
        }
    }
}