D3 circle barchart with nested data() and join()

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D3 circle barchart with nested data() and join()

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Last edited Feb 6, 2024

Created on Feb 4, 2024

Forked from D3 transition example with the data() method

This example shows Nobel Prize laureates from 1901 to 1905 arranged as circles in a grid, with each year as a column and categories color-coded via a legend. The visualization uses D3 v7’s nested `data()` and `join()` methods to bind grouped data to SVG circle elements, with `d3.group` organizing entries by year. Animated transitions highlight updates when data changes. The chart includes rotated x-axis tick labels and a legend built with joined category groups, rendering entirely in SVG.

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D3 circle barchart with nested data() and join()

Visit https://github.com/ax-va/Interactive-Data-Visualization-Dale-2023

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