figured out how to match observation points with cells. Next step is to plot num obs per cell per year (or total?) and to use this info to calculate a weighted centroid based on cell value and number of obs per cell rather than arithmetic mean.
figured out how to match observation points with cells. Next step is to plot num obs per cell per year (or total?) and to use this info to calculate a weighted centroid based on cell value and number of obs per cell rather than arithmetic mean.

sarahsupp/hb-migration,sarahsupp/hb-migration,sarahsupp/hb-migration