A6_BarChart with Sequential Scale

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A6_BarChart with Sequential Scale

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Last edited Mar 10, 2024

Created on Mar 10, 2024

This example visualizes the happiness scores of various countries using a bar chart where each bar’s color encodes its score through a sequential blue scale. The chart is rendered as an SVG in a React application, leveraging D3 v7 for scaling and axis generation, while the color mapping is handled by `d3.scaleSequential` with the `interpolateBlues` interpolator. The data is loaded via `d3.csv` from a GitHub-hosted dataset, and a legend is added using the `d3-legend` library to clarify the score-to-color mapping. The visualization highlights the relative happiness rankings across countries while making score differences visually intuitive through color intensity.

AI-generated description

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

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