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Quantile Choropleth

Curran Kelleher

Last edited May 14, 2025
Created on May 13, 2025

New York State Home Prices Choropleth Map

This visualization displays the median home prices across counties in New York State for 2023. The map uses a quantile scale with 5 color classes to show the distribution of home prices.

Features

  • Choropleth map of New York State counties
  • Quantile color scale showing median home prices
  • Tooltip information on hover
  • Legend with quantile thresholds

Data Source

The visualization uses 2023 housing data from New York State, including median home prices and number of sales by county.

File Structure

  • index.html - Main HTML file
  • styles/main.css - CSS styles
  • data/data.csv - County housing data
  • js/ - JavaScript modules:
    • main.js - Entry point that initializes the application
    • dataLoader.js - Functions to load and process data
    • mapCreator.js - Functions to create and render the map
    • colorScale.js - Functions to create color scales
    • legendCreator.js - Functions to create the map legend
MIT Licensed