Outliers

what causes outliers?
-sensor malfunction: ignore
-data entry errors
-freak event: pay attention

Outlier Detection
-train
-remove
-train again

for point in data:
	salary = point[0]
	bonus = point[1]
	matplotlib.pyplot.scatter( salary, bonus )

matplotlib.pyplot.xlabel("salary")
matplotlib.pyplot.ylabel("bonus")
matplotlib.pyplot.show()