A percent stacked Area Chart layers multiple series so each band shows its proportional share of the total at every point in time. The spline-area variant used here smooths the transitions, making it easier to spot gradual shifts between categories.
This sample visualizes COVID-19 outcomes in Italy -- active cases, recoveries, and deaths -- loaded from a CSV file. Custom colors, a crosshair, and hover markers highlight trend inflection points, while percent stacking reveals how the balance between outcomes evolved over the course of the pandemic.
Follow the step-by-step Area Chart Tutorial to learn how this chart was built. See the Area Chart documentation for all configuration options.