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QUESTION-1(TASK-1)

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Vvenkataravitarunelisetty@my.unt.edu
Last edited Apr 3, 2024
Created on Apr 3, 2024
Forked from Hello VizHub

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.

AI-generated description

A demonstration of how to start using D3 version 6.

MIT Licensed

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QUESTION-1.2(TASK-1)

This example displays a horizontal bar chart of the top 20 countries by 2010 population, with bars sorted in descending order and labeled on the y-axis. The visualization uses React with D3 v5 scaleBand and scaleLinear for positioning, while CSV data is fetched from a GitHub raw URL. SVG rendering is handled through React components (AxisBottom, AxisLeft, Marks), with axis ticks styled via CSS and formatted using D3’s format('.2s') to abbreviate values in billions.

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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.

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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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This example uses a horizontal bar chart to display the top 10 countries by population in the year 2000. The chart, built with React and rendered as SVG, uses D3 v5 utilities like `scaleBand` and `scaleLinear` to map country names and population values to screen coordinates. Each bar’s length corresponds to the population value, with a tooltip showing the formatted number. Data is loaded from a remote CSV file via D3’s `csv` function, and the x-axis labels are customized using D3’s `format` to abbreviate large numbers.

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