Practice Recall (sensitivity Or True Positive Rate) (30.3.3) - Confusion Matrix
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Recall (Sensitivity or True Positive Rate)

Practice - Recall (Sensitivity or True Positive Rate)

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula for Recall?

💡 Hint: Think about how we measure true positives against total positives.

Question 2 Easy

If a model has 60 True Positives and 20 False Negatives, what is its Recall?

💡 Hint: Use the Recall formula, substituting the values.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does Recall measure in a classification model?

False Positives
True Positives
True Positive Rate

💡 Hint: Recall focuses on correctly identifying actual positives.

Question 2

True or False: A high Recall value means few False Negatives.

True
False

💡 Hint: Think about the implications of Recall in identifying positives.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a dataset of 200 cases with 80 True Positives, 5 False Negatives, and 15 False Positives. Calculate the Recall and discuss its adequacy in a healthcare setting.

💡 Hint: Use the formula and think about the importance of Recall in critical applications.

Challenge 2 Hard

A model shows TP = 40, FN = 10, and FP = 5 with 100 actual cases. Calculate Recall and suggest strategies to improve it.

💡 Hint: Consider practical approaches to address Recall in your explanation.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.