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✓ Published0🌍 Public

Last edited Apr 6, 2021

Created on Apr 6, 2021

This interactive bar chart visualizes New York State Department of Corrections and Community Supervision (DOCCS) under-custody data, allowing users to filter and compare counts across selected categorical variables on both axes. Built with React and D3 v5, the chart renders SVG bars with tooltips showing percentages and cumulative age totals. The code uses d3.nest for data aggregation, d3.scaleBand and d3.scaleLinear for positioning, and react-dropdown components for interactive filtering. Raw JSON data is fetched via d3.json, with axes and tooltips styled through custom CSS.

AI-generated description

NY DOCCS Under Custody Data Visualization with Filters on X and Y Axes

To Do:

Update Y axis label to reflect user selection
Change "y-axis" and "x-axis" text to be outside the dropdown
Eliminate entries with no info for selected variables before plotting to prevent empty bars
Eliminate age from x-axis selection options without breaking the code

Build Instructions

First to install dependencies

foo@bar:~$ npm install

After each modification run the code below to build bundle.js

foo@bar:~$ npm run build

Credit

Based off work of this user

Using react DOM to render the barplot.
Using react Dropdown component.
Using react hooks to change the data.

MIT Licensed

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