Waterfall Bar Chart

Mix.install([
  {:plotly_ex, "~> 0.3"},
  {:kino, "~> 0.18"}
])

Section

A waterfall chart shows cumulative change step by step. Each "relative" bar floats from the running total; "total" bars drop back to zero to display a subtotal or final value.

alias Plotly.{Figure, Waterfall}

Figure.new()
|> Figure.add_trace(
  Waterfall.new(
    x: ["Product Revenue", "Services Revenue", "Total Revenue",
        "Fixed Costs", "Variable Costs", "Total"],
    y: [400, 260, 660, -370, -75, 215],
    measure: ["relative", "relative", "total",
              "relative", "relative", "total"],
    increasing: %{marker: %{color: "#26a65b"}},
    decreasing: %{marker: %{color: "red"}},
    totals: %{marker: %{color: "#4C8BE2"}},
    connector: %{line: %{color: "rgb(63, 63, 63)"}}
  )
)
|> Figure.update_layout(
  title: "Waterfall Bar Chart",
  xaxis: %{tickangle: -30}
)
|> Plotly.show()