Making a Bar Chart

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Making a Bar Chart

✓ Published0🌍 Public

Last edited Sep 14, 2021

Created on Jul 27, 2021

This example demonstrates how to build a bar chart using D3.js v7, displaying either population data by country or monthly credit totals. The visualization renders as SVG, with bar orientation switchable between horizontal and vertical layouts through a scaleBand and scaleLinear pairing. The code loads data from CSV or JSON files via d3.csv and d3.json, then processes transactions to aggregate monthly credits. A class-based structure manages the chart dimensions, scales, and data mapping.

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MIT Licensed

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