NICS Data - Bar Chart Interactive Sorting

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NICS Data - Bar Chart Interactive Sorting

✓ Published1🌍 Public

Last edited Oct 29, 2025

Created on Oct 29, 2025

Forked from NICS Data - Bar Chart Interactive Legend

This interactive bar chart visualizes Firearms Background Check data from the NICS, showing the total number of checks per state for a selected year. Using D3.js, the chart aggregates data by state and year, with options to filter by year, display the top 10, top 25, or all states, and sort alphabetically or by check count. The visualization supports stacked bars for different gun types (handgun, long gun, other, multiple), with a legend that highlights categories on hover, a tooltip that appears when hovering over a state, and animated transitions when sorting is changed.

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MIT Licensed

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