{"version":"1.0","type":"rich","title":"making a bar graph using text file","description":"This example shows a bar graph of country populations from a CSV file, displaying each nation’s population as a blue vertical bar. It reads the data using `d3.csv` from the D3 v7 library, then renders the SVG chart with `d3.select`, `d3.scaleBand` for the x-axis, and `d3.scaleLinear` for the y-axis, with bars drawn via `svg.append('g').selectAll('rect').data(data).join('rect')`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/96c9dff019464ca58ac5ef6a9104d56d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}