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Fork of D3 Starter - vijq2(pie chart)

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Vvijaysaichigullapally1@gmail.com
Last edited Oct 25, 2025
Created on Oct 25, 2025
Forked from D3 Starter

A pie chart visualizes the total exam score contribution for each grade category (A–D) using data from a 120-row CSV file. The D3.js v7 code loads the data, aggregates scores by category with `d3.rollup` and `d3.sum`, and renders slices via the `d3.pie` and `d3.arc` generators. Interactive tooltips appear on hover, displaying each category's total and letter label. A legend maps colors from `d3.scaleOrdinal` with the Tableau10 scheme, and the SVG output is white-stroked.

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