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Question-1.1

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Rrahul.bonu524@gmail.com
Last edited Oct 19, 2024
Created on Oct 19, 2024
Forked from Hello VizHub

This example displays a horizontal bar chart of the top 10 countries by population for the year 2000. Using D3 v5 and React, the chart employs `scaleBand` and `scaleLinear` for positioning, with bars rendered as SVG `<rect>` elements from CSV data. The x-axis uses `format('.2s')` to abbreviate population values, converting 'G' to 'B' for billions, and each bar includes a tooltip via the `<title>` element. Axis ticks are labeled in blue, and the visualization is styled with the Poppins font.

AI-generated description

An example showing the capabilities of VizHub:

  • Loads D3 via UNPKG.
  • Demonstrates use of import from "d3".
  • Demonstrates use of import from local ES6 modules.
MIT Licensed

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Question1.2

This example displays a horizontal bar chart of the top 20 countries by population in 2010, with bars sorted by country name. Built with React and D3.v5, it uses `scaleBand` for the categorical y-axis and `scaleLinear` for the quantitative x-axis. The SVG rendering includes axes and marks, with population values formatted using `format('.2s')` to replace 'G' with 'B'. Data is loaded via D3's `csv` function from a GitHub-hosted CSV file, and all chart elements—ticks, labels, and rectangles—are generated from local ES6 modules.

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Question1.2

A horizontal bar chart displays the top 20 countries by 2010 population, using a CSV dataset loaded via D3's `csv` function. The chart is rendered as SVG with React components, mapping country names to a `scaleBand` y-axis and population values to a `scaleLinear` x-axis. Data values are formatted with D3's `format` function, converting values into billions with a 'B' suffix. Hovering over each rectangular bar reveals a tooltip with the population value, while blue tick lines and green bars provide clear visual separation.

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A horizontal bar chart displays the top 10 countries by population in the year 2000, with bars sorted in descending order. The visualization loads CSV data via `d3.csv`, transforms population values by multiplying by 1,000, and renders SVG rectangles using React components. D3 scales (`scaleBand`, `scaleLinear`) position the bars, while `d3.format` abbreviates axis tick labels (e.g., converting billions to "B"). The chart includes styled axes with blue tick lines and green bars, using a Poppins font.

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