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Ssainishanthreddyk@gmail.com
Last edited Oct 20, 2025
Created on Oct 20, 2025
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A D3.js bar chart displays the average math scores for students grouped by academic department, using data from a CSV file containing individual student records. The chart aggregates the scores per department and visualizes them as blue bars that change to orange on hover. The implementation uses `d3.group` and `d3.mean` to compute averages, with `d3.scaleBand` for the category axis and `d3.scaleLinear` for the score axis. The SVG rendering includes rotated x-axis labels and clearly labeled axes for the department and average math score.

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Fork of bar chart

This bar chart displays the average math scores for students grouped by department, computed from a CSV file using D3's `d3.csv` and `d3.group` methods. The visualization uses `d3.scaleBand` for the categorical x-axis and `d3.scaleLinear` for the continuous y-axis, rendering bars as SVG rectangles with a hover effect that changes their fill color. Axes are generated with `d3.axisBottom` and `d3.axisLeft`, and labels are added to clarify the department and score metrics.

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