4  Interactive graph

This interactive graph visualizes the health status of trees across New York City boroughs using a color-coded map. Each tree is represented as a point, with health categorized into Good (Green), Fair (Yellow), Poor (Red), and Data Not Available (Gray). Users can explore tree health in specific boroughs using a dropdown menu, view details by hovering over points, and reset to see all boroughs. The graph uses smooth transitions and a clear legend to ensure ease of exploration, providing a deeper understanding of tree health distributions across the city.

1. Key Focus:
- Visualize tree health across NYC boroughs.
- Enable users to filter, explore, and gain insights interactively.

2. Interactions:
- Dropdown Menu: Select a borough to filter tree health data dynamically.
- Hover Tooltips: Display tree health counts and percentages for clusters.
- Reset Button: Return to the city-wide view.

3. Design Features:
- Color-Coding:
    - Good Health: Green
    - Fair Health: Yellow
    - Poor Health: Red
    - Data Not Available: Gray
- Legend: Clear and color-coded, placed prominently.
- Smooth Transitions: Borough filtering and zoom with animations.

4. Instructions:
“Use the dropdown to filter by borough. Hover for details. Reset to see all boroughs.”

5 .Observations Based on the Visualization:
- The majority of trees are in Good Health, reflecting satisfactory tree maintenance and care across most parts of NYC. This indicates that urban tree health is generally well-managed.
- A smaller but noticeable number of trees are in Fair Health, which suggests some areas may require additional monitoring or care to prevent further decline.
- Trees in Poor Health are sparsely distributed, with no significant clusters visible in any one region. These areas may require targeted intervention to improve tree health.
- Some regions are marked with Data Not Available, indicating gaps in the dataset. This could point to areas where surveys were not conducted or where data collection was incomplete.
- The interactive features such as the dropdown menu allow users to filter data by borough, making it easier to explore specific regions and compare tree health across different parts of the city.
- Using the reset button, users can return to a city-wide view, enabling a broader perspective of tree health distribution.
- Borough-specific insights can be valuable for identifying areas with higher proportions of Good Health trees versus areas with more Poor Health trees, helping prioritize urban planning efforts.
- The interactive zoom functionality facilitates detailed exploration of specific clusters, offering precise insights into local tree conditions.
- Regions with higher proportions of Poor Health trees could indicate areas needing immediate attention, while the dominance of Good Health trees suggests successful maintenance programs across most regions.