Interactive Small Multiples - Step 4
This interactive visualization displays a small multiples chart of AskMeFi category question counts by year, with each category in its own panel. The charts combine an area series and gridlines rendered via d3fc, while a vertical annotation line and point markers appear on hover using the `fc.pointer` API to track the cursor position. The code uses `d3.nest` to group the TSV data by category, with `fc.extentLinear` setting the scales and `fc.chartSvgCartesian` building each panel, updating the display dynamically on pointer movement.
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forked from <a href='http://bl.ocks.org/ColinEberhardt/'>ColinEberhardt</a>'s block: <a href='http://bl.ocks.org/ColinEberhardt/9b8b198a81e749c5ab8b1e06b455db61'>Interactive Small Multiples - Step 1</a>
forked from <a href='http://bl.ocks.org/ColinEberhardt/'>ColinEberhardt</a>'s block: <a href='http://bl.ocks.org/ColinEberhardt/21cd8d6533df723694796948a14b4da1'>Interactive Small Multiples - Step 2</a>
forked from <a href='http://bl.ocks.org/ColinEberhardt/'>ColinEberhardt</a>'s block: <a href='http://bl.ocks.org/ColinEberhardt/5f0c84f0ae23f87e8c9a4c81d1aabd65'>Interactive Small Multiples - Step 3</a>