Activity 6_task1

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Activity 6_task1

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Last edited Apr 4, 2024

Created on Apr 4, 2024

This visualization displays a horizontal bar chart comparing the populations of the top 20 countries in 2010, with countries listed on the y-axis and population values on the x-axis. The chart uses green bars with blue axis tick marks and includes a formatted axis label for population. Built with React and D3 v5, the code implements custom SVG components (AxisBottom, AxisLeft, Marks) using d3.scaleBand and d3.scaleLinear. Population data is loaded via d3.csv from a GitHub-hosted dataset, with values formatted using d3.format to abbreviate large numbers (e.g., "B" for billions).

AI-generated description

A demonstration of how to start using D3 version 6.

MIT Licensed

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activity 6_Task 1

This visualization displays a horizontal bar chart comparing the populations of the top 20 countries in 2010, with bars sorted by population size. Built with React and D3 v7, it loads data from a CSV file via `d3.csv` and renders the chart as SVG. The chart uses `scaleBand` for the y-axis (country names) and `scaleLinear` for the x-axis (population), with bars drawn as SVG rectangles. The code demonstrates custom axis components, tick formatting that converts large numbers to "B" for billions, and tooltips on hover showing population values.

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This horizontal bar chart displays the populations of the top 20 countries in 2010, with data loaded from a CSV file and rendered as SVG rectangles. The visualization uses React to manage the interface and D3 v5’s `scaleBand`, `scaleLinear`, and `csv` functions to process the data and map values to positions. Axes are created with custom components that generate tick marks and labels, while the bars include tooltips showing formatted population values via D3’s `format`. The chart is styled with a green fill for bars and blue grid lines, and the x-axis is labeled "POPULATION-2010".

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