A D3 scatter-bubble plot showing the Marks and Channels concept for the 2023 Global Country Development & Prosperity Index dataset.

Comparing two numerical attributes:

• Personal Freedom score (out of 100)
• Social Capital score (out of 100)

Marks:

• Points: Represents a country

Channels:

• Position (via x and y coordinates in 2D space): x-axis position represents a country’s social capital score. y-axis position represents a country’s personal freedom score

• Size (via radius of the circle): Represents the overall average score of each country. The larger the circle the higher the overall score.

• Color: unique and represents every country in the dataset.