{"version":"1.0","type":"rich","title":"practice7--area chart","description":"This area chart visualizes world population by year, sourced from a World Population dataset. Using D3 v5, it renders an SVG path with an area generator and curveBasis for smooth filling, paired with scaleTime and scaleLinear axes. The chart includes formatted y-axis labels (e.g., \"B\" for billions), gridlines via tickSize, and styled title and axis text. Data is loaded from a CSV and parsed into date and numeric values for plotting.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/eaccc7f619774dd0a7aa09fc4219197f?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}