What is the most frequent venue category at the closest check-in point to the convex hull centroid in Tokyo?

What is the most frequent venue category at the closest check-in point to the convex hull centroid in Tokyo?: a task in data-agent-harbor-test (Harbor dataset). Files (in /home/user/input, no subfolders): - dataset TSMC2014 NYC.csv - dataset TSMC2014 TKY.csv