{"version":"1.0","type":"rich","title":"1027Happiness Level Line Chart","description":"This chart visualizes life satisfaction across multiple countries from 2004 to 2017, using data from the World Happiness Report 2017. Each country is represented as a line, with a dropdown menu to switch between different well-being metrics. A color legend allows users to highlight specific countries by clicking. The visualization uses d3.line with curveBasis for smooth paths, d3.nest for grouping, and d3.axisLeft/axisBottom with gridlines, rendered as SVG with animated transitions.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/ad03d90df39c4885806ddf344b162eb1?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}