%useLatestDescriptors
%use lets-plot
%use dataframe

LetsPlot.getInfo()

var data = DataFrame.readCSV("https://raw.githubusercontent.com/JetBrains/lets-plot-kotlin/master/docs/examples/data/mpg2.csv")
data.head(3)


val p = letsPlot(data.toMap()) {x="engine horsepower"; y="miles per gallon"} + 
    geomPoint {color="origin of car"} +
    themeGrey()
p + ggsize(800, 350)

p + facetGrid(x="number of cylinders")

p + facetGrid(x="number of cylinders", y="origin of car")

p + facetGrid(x="number of cylinders", y="origin of car", xFormat="{d} cyl", yOrder=-1)

p + facetWrap(facets="number of cylinders", nrow=2)

p + facetWrap(facets=listOf("origin of car", "number of cylinders"), ncol=5)

p + facetWrap(facets=listOf("origin of car", "number of cylinders"), 
               ncol=3,
               format=listOf(null, "{} cyl"),
               order=listOf(1, -1),
               dir="v")