Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a confusion matrix display?
💡 Hint: Think of how many predictions were right or wrong.
Question 2
Easy
Why is accuracy sometimes a misleading metric?
💡 Hint: Consider cases where one outcome is rare.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary purpose of a confusion matrix?
- To visualize the performance of regression models
- To summarize the performance of a classification model
- To track user engagement
💡 Hint: Think about what classifications are being compared.
Question 2
True or False: A high accuracy always indicates a good model performance.
- True
- False
💡 Hint: Remember cases where accuracy can be misleading.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a dataset where the classifier has an accuracy of 90% but precision is 50% and recall is 75%, analyze its performance.
💡 Hint: Think about what each metric tells you about user experience.
Question 2
A model is used for fraud detection with a 70% accuracy but has a recall of only 30%. What does this suggest about the model's performance in catching fraud cases?
💡 Hint: Consider how much of the target class is being missed by the model.
Challenge and get performance evaluation