Individual by gathering event matrix 2009

This matrix indicates which individuals were present at which gathering events. Columns are gathering events, rows are individuals. Gathering events are ordered by time and date (from early to late). Presence at a gathering event is marked with a 1. The identities of the individuals can be found in the "list of individuals for the I by GE matrix 2009". The locations of the gathering events can be found in the "list of locations of the gathering events 2009"