21. Powell Precision and Recall

Powell Precision and Recall

Question:

Start Quiz:

Solution:

INSTRUCTOR NOTE:

Recall: True Positive / (True Positive + False Negative). Out of all the items that are truly positive, how many were correctly classified as positive. Or simply, how many positive items were 'recalled' from the dataset.

Precision: True Positive / (True Positive + False Positive). Out of all the items labeled as positive, how many truly belong to the positive class.