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Last edited May 24, 2019

Created on May 24, 2019

This interactive stream graph visualizes the monthly market share of various diabetes drugs over several months. The stacked area chart displays each drug’s proportional contribution over time, using a time-series layout with a filled area for each category. The code leverages D3.js v4 APIs including `d3.stack()`, `d3.area()`, and `d3.scaleTime()`, processing data from a CSV file. It renders as SVG, with axes and labels, and uses a categorical color scheme to distinguish drugs.

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