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Fork of Activity6_Task1

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Ppuneetputtu@my.unt.edu
Last edited Mar 31, 2025
Created on Mar 31, 2025
Forked from Activity6_Task1

This bar chart visualizes the top 30 most populous countries in 2020 using a horizontal layout, with population values displayed in millions on the x-axis and country names on the y-axis. The visualization loads CSV data via d3.csv, then sorts and filters the dataset before rendering SVG rectangles with React components. The chart employs d3.scaleLinear for the x-axis and d3.scaleBand for the y-axis, with custom AxisBottom and AxisLeft components generating tick marks and labels. The bars use a consistent teal fill with rounded corners, and the code includes fallback data sources and error handling for network failures.

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Activity6_Task1

This horizontal bar chart displays the top 30 most populous countries in 2020, sorted in descending order with population values formatted in millions along the x-axis. The visualization uses React with D3 v7 scales and SVG rendering, fetching its CSV data from a GitHub repository with fallback sample data if the request fails. Bars are rendered as SVG rectangles using the `scaleBand` for country positioning and `scaleLinear` for population values, with axis components built through custom React functions for ticks and labels.

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