Making a bar graph using text file

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Making a bar graph using text file

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Last edited Apr 13, 2023

Created on Apr 13, 2023

This example shows a bar graph of population by country, reading from a CSV file and rendering the data as SVG rectangles. The visualization uses D3 v7’s `csv` loader to parse `data.csv`, then a `scaleBand` for horizontal positioning and a `scaleLinear` for vertical population values. Blue bars are appended via `selectAll` and `join`, with heights computed from the y-scale. The page is a minimal HTML setup with React noted in metadata, though the code itself uses plain D3 with a container div.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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