myFirstBarChart again

myFirst BarChart

This example visualizes the 2020 United Nations population estimates for each country in a bar chart. The app uses `d3.csv` to load the data and React’s `useState` and `useEffect` hooks to manage the asynchronous fetch and render the loading state. Although the chart’s axes and rectangles are not fully implemented in the visible code, the structure supplies population values and dimensions for a React SVG rendering. The visualization relies on D3’s `scaleBand` and `scaleLinear` (commented out) for positioning and sizing the bars, with the final output intended as an SVG within a React component.

Ddumbdataguy@gmail.com

Making a Bar Chart with React & D3

This example shows a horizontal bar chart displaying the top 10 countries by 2020 population, using React for component structure and D3 for scales. It renders SVG rectangles with widths proportional to population values, using `scaleBand` for the y-axis and `scaleLinear` for the x-axis. Data comes from a CSV file loaded via `d3.csv`, and React’s `useState` and `useEffect` manage the asynchronous data fetching. The visualization appears once data is loaded, otherwise showing a loading message.

Nnicholasgonzalez1

Bar Chart

This example shows a horizontal bar chart of the top 10 countries by population, with each bar’s length representing the 2020 population estimate. The bars are rendered as SVG `<rect>` elements using React, with scales from `d3.scaleBand` for the country categories and `d3.scaleLinear` for the population values. Data is loaded asynchronously from a CSV file using `d3.csv`, which parses the population column as numbers before the chart updates. The visualization combines D3’s data-loading and scaling utilities with React’s declarative component structure.

SSai Phaltankar

Making a Bar Chart with React and D3

This example shows a horizontal bar chart ranking the top 10 countries by their 2020 population, rendered as SVG rectangles using React elements. The code loads CSV data from a GitHub gist using D3’s `csv` utility, then maps country names to y-coordinates via `scaleBand` and population values to x-widths via `scaleLinear`. Data loading and state management rely on React hooks (`useState`, `useEffect`), while D3 v7 provides the scales and `max` aggregation.

Aalexandermodell

Making a Bar Chart with React & D3

This example shows a horizontal bar chart of the top ten countries by 2020 population, rendered as SVG with React. The code loads UN population data from a CSV file using `d3.csv` and transforms each row by parsing the “2020” field. React’s `useState` and `useEffect` manage data loading, while D3 scales `scaleLinear` and `scaleBand` map population values and country names to pixel positions. Each bar is a `<rect>` element generated by mapping over the data array inside a React component.

Jjwlam83

Making a Bar Chart with React & D3 P1

This example shows a horizontal bar chart of the top ten countries by population in 2020, rendered as an SVG via React. It loads CSV data from a GitHub gist using D3’s `csv` utility, then maps the data to `rect` elements inside a `<g>` group. The scales—`scaleBand` for countries and `scaleLinear` for population—are created with D3 v5, while React’s `useState` and `useEffect` manage the asynchronous data fetch and re-render. The chart displays no axes or labels, focusing solely on the bars’ lengths.

MMarta

Bar Chart D3

This example displays a horizontal bar chart of the top ten countries by 2020 population, using bars that scale in length according to each country's population value. The visualization loads data from a CSV file via D3's `csv` utility and manages the data with React's `useState` and `useEffect` hooks. It renders SVG rectangles positioned using D3's `scaleBand` for the y-axis and `scaleLinear` for the x-axis, all within a fixed 960 by 500 pixel canvas.

Ccynichole

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