%useLatestDescriptors
%use lets-plot
%use dataframe

LetsPlot.getInfo()

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


val p = letsPlot(df.toMap()) { x = "displ"; y = "hwy" } + geomPoint() +
        labs(
            title = "Fuel efficiency\nfor most popular models of car",
            subtitle = "Period 1999-2008",
            caption = "MPG Dataset",
            x = "Engine displacement\n(litres)", 
            y = "Highway\nmiles per gallon"
        ) + themeClassic() + theme(plotBackground = elementRect(size=1))
p

// Change margins around plot title, subtitle, caption and axis titles

p + theme(plotTitle = elementText(margin = margin(t=15)), 
          plotSubtitle = elementText(margin = margin(b=10)),
          plotCaption = elementText(margin = margin(b=15)),
          axisTitleX = elementText(margin = margin(t=10)), 
          axisTitleY = elementText(margin = margin(r=10, l=15)))

// Change margins around axis tick labels

p + theme(axisTextX = elementText(margin = margin(t=10, b=15)), 
          axisTextY = elementText(margin = margin(r=10, l=15)))

// axis labels at different levels

val p2  = letsPlot(df.toMap()) { x = "class"; y = "hwy" } + geomBoxplot()
p2

p2 + theme(axisTextX = elementText(margin = margin(t=10, b=10)))

// with rotation

val p3 = p2 + ggsize(550, 400)
p3

p3 + theme(axisTextX = elementText(margin = margin(t=10)))