{"version":"1.0","type":"rich","title":"test","description":"A heatmap visualizes correlations among six factors—GDP per capita, social support, healthy life expectancy, freedom, generosity, and perceptions of corruption—for the top ten happiest countries, with data from a CSV file. Panels flanking the heatmap list the top five countries, each shown as a circle containing its flag via SVG images. The code uses d3.scaleSequential with interpolateRdBu, d3.flatMap for matrix computation, Pearson correlation from helper functions, and animated opacity transitions with random delays.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/45e6f9a375e9420b829abd4c2cc003df?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}