This example visualizes meetup attendance as a sequence of sankey diagrams, tracking how members flow between three sequential meetup events. Each column represents a meetup (or the "new member" start), while nodes within each column correspond to RSVP states—such as "responded and showed up," "did not respond," or "responded No"—and the ribbons encode member counts. The data is loaded from a CSV file and rendered using the custom sankeySeqExplorer library built on D3 v4. Node labels can be toggled, and the chart highlights member cohorts (e.g., "members since meetup 1") across the event sequence, with red indicating members who responded but did not show up. This example demonstrates a specialized sequence explorer for tracking attendee behavior across consecutive Meetup events.