{"version":"1.0","type":"rich","title":"Left Join Data Sandbox","description":"This visualization demonstrates a left join operation between COVID-19 datasets, using New York Times rolling averages for cases and deaths alongside Our World in Data vaccination rates. The code loads both CSV files via `d3.csv` promises, parses numeric fields, and implements a custom `joinTables` function that matches rows on a shared date key. A static test dataset pairs articles with brands to validate the join logic. The page displays minimal text, with commented-out code showing a potential scatterplot visualization that would compare vaccination percentages against case averages per 100,000 people.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a7ed3e00946044e09a0a7d7df4dde9c2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}