Task4_Tutorial
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This bubble chart visualizes the correlation between average temperature, humidity, and pressure across 25 U.S. states. Each circle’s position encodes temperature (x-axis) and humidity (y-axis), while its radius and color represent pressure and the state category, respectively. Hovering reveals a black tooltip with the state name via D3 event handlers. The SVG is built using D3 v7 with `d3.scaleLinear`, `d3.axisBottom`, `d3.axisLeft`, `d3.interpolateTurbo`, `d3.scaleOrdinal`, and `.join()` for element creation. Interactive transitions use `d3.transition()` for tooltip opacity and position. Data loads from an external CSV file.
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