Annotate Examples

Mix.install([
  {:ggity, path: ".", override: true},
  {:kino_ggity, github: "srowley/kino_ggity"}
])

alias Explorer.{DataFrame, Series}
alias GGity.{Examples, Kino, Plot}

mt_cars_plot = Plot.new(Examples.mtcars(), %{x: :wt, y: :mpg})
:ok

Text annotation

mt_cars_plot
|> Plot.annotate(:text,
  x: 4,
  y: 25,
  label: "Some text",
  color: "red"
)
|> Plot.geom_point()
|> Kino.render()

Box annotation

mt_cars_plot
|> Plot.annotate(:rect,
  xmin: 3,
  xmax: 4.2,
  ymin: 12,
  ymax: 21,
  alpha: 0.2
)
|> Plot.geom_point()
|> Kino.render()

Line annotation

mt_cars_plot
|> Plot.annotate(:segment,
  x: 2.5,
  xend: 4,
  y: 15,
  yend: 26.25,
  color: "blue"
)
|> Plot.geom_point()
|> Kino.render()