Marimekko

A Marimekko/mosaic chart.

Usage

from dataviz_mojo import marimekko
from dataviz_mojo.plot import save

def main() raises:
    var regions: List[String] = ["Northeast", "Midwest", "South", "West"]
    var sources: List[String] = ["Coal", "Gas", "Renewables"]
    var generation: List[List[Float64]] = [
        [5.0, 20.0, 15.0, 3.0],
        [30.0, 35.0, 50.0, 20.0],
        [10.0, 15.0, 10.0, 27.0],
    ]

    var c = marimekko(regions, sources, generation)
    save(c, "docs/src/examples/out_marimekko.svg")

Args:

• categories: One column per entry, its width proportional to its share of the grand total.
• subcategories: One stacked segment per entry, used as the legend key.
• values: values[i][j] is subcategories[i]’s value for categories[j] (rows are subcategories, columns are categories).
• theme: Full styling knobs beyond this function’s own parameters (colors, margins, fonts, gridlines, …) – see Theme’s docstring.
• width: Pixel width of the returned Plot (.size()).
• height: Pixel height of the returned Plot (.size()).
• title: The chart’s title, shown above the plot.
• subtitle: A secondary line shown under the title.
• x_title: The x-axis caption.
• y_title: The y-axis caption.