Stacked Area Chart
Explore how to use Python Altair's mark_area() to create stacked area charts that highlight total values and individual contributions over time. Understand when stacked area charts are most effective and discover alternatives for categorical or multiple series data visualization.
A stacked area chart shows the cumulative trend over time of a certain variable. It’s similar to a line chart, but the area between the x-axis and the line is filled with a color or pattern to distinguish it from a line chart. A stacked area chart can be used to show trends, such as company growth or population change.
When are stacked area charts useful?
Stacked area charts are useful in the following situations:
To show the total sum of the data: Area charts are particularly effective at emphasizing the total sum of the data, because the area between the line and the x-axis is filled. This is useful for showing the overall trend of a metric, such as the growth or decline of a company’s sales revenue over time. ...