Bar Chart - 03 [Refactored]

Refactored Bar Chart

A bar chart displays the 2020 population estimates for the top 10 countries, sorted by country name along the vertical axis and population magnitude along the horizontal axis. Built with React and D3 v5, the visualization uses `scaleBand` and `scaleLinear` for positioning, with SVG rectangles rendered by a custom `Marks` component. Axis components generate tick marks and labels using `xScale.ticks()` and `yScale.domain()`. Data is loaded asynchronously via `csv()` from a UN population dataset hosted on GitHub.

SSam Hege

Refactored BarChart

This bar chart displays the estimated 2020 populations of the top ten countries, with each country represented as a horizontal bar. The React application loads data from a CSV file using `d3.csv`, then maps the country names to the y-axis and population values to the x-axis. It renders the chart as an SVG using React components for the axes and bars, with the x-axis scaled linearly via `d3.scaleLinear` and the y-axis using `d3.scaleBand`. The chart is updated asynchronously, showing a loading message until the data is fetched.

Yyjhouma

Refactored Bar Chart

This chart displays population data for the top 10 countries in 2020 using horizontal bars, with country names on the y-axis and population values on the x-axis. Built with React and D3 v6, the visualization uses D3's `scaleBand` and `scaleLinear` for axes, `format` for tick labels, and SVG elements for rendering. Data is loaded asynchronously via D3's `csv` function from a UN Population dataset. A tooltip reveals the exact population value for each bar.

Ddjfeld01

Refactored Bar Chart

This visualization shows the population of the top 10 countries in 2020 as a horizontal bar chart, with all bars aligned to the left and sorted by country name. The application loads the data from a CSV file using D3’s `csv` utility, then renders the SVG with React components for the axes and marks. The y-axis uses `scaleBand` to position categorical labels, while the x-axis uses `scaleLinear` for the numeric population values. Each bar is drawn as a `<rect>` via the `Marks` component, with size determined by the population value.

FFonda Irena Santoso

Refactored Bar Chart

This horizontal bar chart displays the population of the top 10 countries in 2020, with country names on the y-axis and population values on the x-axis. Built with React and D3 v7, it uses `scaleBand` and `scaleLinear` to map data to SVG coordinates. The chart is separated into modular components—`AxisBottom`, `AxisLeft`, and `Marks`—each rendering SVG elements like lines and text. Data is loaded asynchronously from a CSV file via `d3.csv`, and all visual elements are rendered declaratively with React's SVG output.

KKevin McMorrow

Refactored Bar Chart

This bar chart displays the top ten countries by population for 2020, using horizontal bars sorted by country name. The visualization is built with React for component rendering and D3 v7 utilities for data loading and scales, including `scaleBand` for the categorical y-axis and `scaleLinear` for the numeric x-axis. Data is fetched via D3’s `csv` parser from a GitHub gist, with SVG elements composed from reusable React components like `AxisBottom`, `AxisLeft`, and `Marks`.

Qqtrfx

Refactored Bar Chart

This example visualizes the top 10 countries by population in 2020 using a horizontal bar chart. The chart displays a linear x-axis for population values and a categorical band scale for country names, with bars rendered as SVG rectangles. Built with React and D3 v6, the code separates concerns into reusable components for axes and marks, and loads data from a CSV file using the `csv` function. The scaleLinear and scaleBand APIs handle the mapping, while React hooks manage the asynchronous data fetching.

Fforcox43

Refactored Bar Chart

This example presents a bar chart of population data for the top ten countries in 2020, sourced from a CSV file via a custom React hook that uses D3’s `csv` utility. The visualization is rendered as SVG, with React components for the axes (`AxisBottom`, `AxisLeft`) and bars (`Marks`), using D3 scales (`scaleBand`, `scaleLinear`) to map country names and population values to pixel coordinates. The chart loads asynchronously and displays a placeholder while fetching data.

AAlex Gomes