US State Performance Map with Svelte and D3

This is a choropleth map visualization of US state performance metrics using Svelte and D3.

Features

• Interactive state map with hover and click events
• Multiple metric selection
• Responsive design
• Detailed state information panel

Development

1. Install dependencies: npm install
2. Start development server: npm run dev
3. Build for production: npm run build

Data

The visualization uses state performance data from a CSV file and US geography data from the us-atlas TopoJSON.