{"version":"1.0","type":"rich","title":"R(t) for Franklin & Ohio","description":"This visualization tracks the effective reproduction number R(t) for Franklin County and Ohio from October 2020 to March 2021, showing two time-series lines that reveal infection trends over time. The chart uses d3.csv to load the data, d3.scaleTime and d3.scaleLinear for axes, and d3.line with curveBasis to create smoothed paths. A d3.nest operation groups data by city, and d3.scaleOrdinal with schemeCategory10 assigns colors. The visualization includes gridlines via axis tick sizing, a custom color legend rendered in SVG, and a title annotation.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a556c4b42ffd45839b39d873a7a5670a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}