For 2001 May 1, and each 100 km2 cell, determine the hourly density of vessels
travelling 5 knots, 5-10 knots,10-15 knots, and greater than 15 knots. Restrict it to
south of 47° N and East of 64° W.
Is there any variation between the days available?
What would be the impact of limiting the speed to 10 knots?
Looker
Should we support R?