Place Connectivity Index (PCI): Measuring Place Connectivity Using Big Social Media Data

|  Preprint article   |  Download PCI   |  
1. Choose what to visualize...

2. Choose a geographic level...

3. Click on a place to display its connectivity to other places.

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Place Connectivity Index (PCI) between two places is defined as as the normalized number of shared persons (e.g., unique Twitter users) between the two places during a specified time period (e.g., one year). Learn more about the PCI and its applications here.

PCI matrices at various geographic levels and relevant datasets can be downloaded here .

World boundary data source: GADM. Data were generalized for web display.