{"version":"1.0","type":"rich","title":"Percent Change Population of Towns on the South Shore Of MA","description":"This chart shows year-over-year percent population change from 2001 to 2023 for four Massachusetts towns—Hull, Hingham, Scituate, and Cohasset—using grouped bar charts colored by town, with a legend and axes labeled in percentages. It loads data from CSV files via d3.csv in a React component, parses the values in dataLoader.js, and renders with D3 v7 scaleBand and scaleLinear scales, axisBottom and axisLeft, and enter/merge/exit selections to update bars, legend, and axes.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/64cf3668cd254e7694512d93c9ff673a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}