Exercise

Temporal pattern analysis

Are the sightings uniform over the study time period? Is there an annual pattern? The sasq object and spatstat are loaded if you need to make some plots.

Can you redraw the plots from the last exercise without any guidance?

Instructions

50 XP

Possible Answers

Overall annual sightings since 1990 are steadily increasing, peak month is March.
Annual sightings peaked around 2004, peak month is September.
Annual sightings increased to 2004, then leveled off, no clear monthly pattern.
Annual sightings have steadily decreased since 1990, peak month is September.

Take Hint (-15 XP)