Lista 2

Mix.install([
  {:kino, "~> 0.6.2"},
  {:kino_vega_lite, "~> 0.1.3"}
])

:ok

Questão 1

atores = [
  %{bin_start: 20, bin_end: 30, count: 1},
  %{bin_start: 30, bin_end: 40, count: 25},
  %{bin_start: 40, bin_end: 50, count: 30},
  %{bin_start: 50, bin_end: 60, count: 14},
  %{bin_start: 60, bin_end: 70, count: 3},
  %{bin_start: 70, bin_end: 80, count: 1},
  %{bin_start: 80, bin_end: 90, count: 0}
]

[
  %{bin_end: 30, bin_start: 20, count: 1},
  %{bin_end: 40, bin_start: 30, count: 25},
  %{bin_end: 50, bin_start: 40, count: 30},
  %{bin_end: 60, bin_start: 50, count: 14},
  %{bin_end: 70, bin_start: 60, count: 3},
  %{bin_end: 80, bin_start: 70, count: 1},
  %{bin_end: 90, bin_start: 80, count: 0}
]

VegaLite.new(width: 500, height: 400, title: "Idades dos Atores")
|> VegaLite.data_from_values(atores)
|> VegaLite.mark(:bar)
|> VegaLite.encode_field(:x, "bin_start", bin: %{binned: true, step: 10}, title: "Atores")
|> VegaLite.encode_field(:x2, "bin_end")
|> VegaLite.encode_field(:y, "count", type: :quantitative, title: "Quantidade")

{"$schema":"https://vega.github.io/schema/vega-lite/v5.json","data":{"values":[{"bin_end":30,"bin_start":20,"count":1},{"bin_end":40,"bin_start":30,"count":25},{"bin_end":50,"bin_start":40,"count":30},{"bin_end":60,"bin_start":50,"count":14},{"bin_end":70,"bin_start":60,"count":3},{"bin_end":80,"bin_start":70,"count":1},{"bin_end":90,"bin_start":80,"count":0}]},"encoding":{"x":{"bin":{"binned":true,"step":10},"field":"bin_start","title":"Atores"},"x2":{"field":"bin_end"},"y":{"field":"count","title":"Quantidade","type":"quantitative"}},"height":400,"mark":"bar","title":"Idades dos Atores","width":500}

atrizes = [
  %{bin_start: 20, bin_end: 30, count: 28},
  %{bin_start: 30, bin_end: 40, count: 30},
  %{bin_start: 40, bin_end: 50, count: 12},
  %{bin_start: 50, bin_end: 60, count: 2},
  %{bin_start: 60, bin_end: 70, count: 2},
  %{bin_start: 70, bin_end: 80, count: 1},
  %{bin_start: 80, bin_end: 90, count: 1}
]

VegaLite.new(width: 500, height: 400, title: "Idades das Atrizes")
|> VegaLite.data_from_values(atrizes)
|> VegaLite.mark(:bar)
|> VegaLite.encode_field(:x, "bin_start", bin: %{binned: true, step: 10}, title: "Atrizes")
|> VegaLite.encode_field(:x2, "bin_end")
|> VegaLite.encode_field(:y, "count", type: :quantitative, title: "Quantidade")

{"$schema":"https://vega.github.io/schema/vega-lite/v5.json","data":{"values":[{"bin_end":30,"bin_start":20,"count":28},{"bin_end":40,"bin_start":30,"count":30},{"bin_end":50,"bin_start":40,"count":12},{"bin_end":60,"bin_start":50,"count":2},{"bin_end":70,"bin_start":60,"count":2},{"bin_end":80,"bin_start":70,"count":1},{"bin_end":90,"bin_start":80,"count":1}]},"encoding":{"x":{"bin":{"binned":true,"step":10},"field":"bin_start","title":"Atrizes"},"x2":{"field":"bin_end"},"y":{"field":"count","title":"Quantidade","type":"quantitative"}},"height":400,"mark":"bar","title":"Idades das Atrizes","width":500}