#accuracy

Question 1: Select all that apply

Which statements about classification errors and metrics are true? Select all that apply.

In screening for a serious disease (positive = has the disease), false positives are usually more damaging than false negatives1
In spam filtering (positive = spam), false positives are usually more damaging than false negatives2
If method A has a higher accuracy than method B, then A also has a higher precision3
If method A has a higher accuracy than method B, then A also has a higher recall4