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
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.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is one-hot encoding?
💡 Hint: Think about how each category would be represented.
Question 2
Easy
Why is one-hot encoding preferred over label encoding for nominal variables?
💡 Hint: Consider the meaning of categories.
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 does one-hot encoding do?
- It converts categorical variables into integer labels
- It converts categorical variables into binary columns
- It removes categorical variables from the dataset
💡 Hint: Remember how it structures the data.
Question 2
One-hot encoding is best used for which type of categorical variable?
- True
- False
💡 Hint: Think about the nature of the categories.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a dataset with a 'City' feature that has 50 unique city names. Discuss how you would encode this feature for a regression model.
💡 Hint: Think about dimensionality reduction strategies.
Question 2
A dataset includes a variable 'Vehicle Type' with values: Car, Truck, SUV, and Motorcycle. How would you evaluate the impact of one-hot encoding on a prediction model’s performance?
💡 Hint: Consider what evaluation metrics would best reflect performance.
Challenge and get performance evaluation