{"version":"1.0","type":"rich","title":"Data Summary","description":"This block summarizes a table of U.S. congressional membership data from Five Thirty Eight. It uses Datalib to compute and display summary statistics for each column, including data type, number of distinct values, and missing values. The visualization shows the dataset’s structure at a glance, allowing you to swap in your own CSV to explore its shape. Built with D3 v4 and Datalib.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-c32ac110635e9d51c5fe763059cc4237?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"1\"></iframe>","width":960,"height":500,"cache_age":3600}