Practice Why Is It Important? - 2.4.2 | 2. Data Wrangling and Feature Engineering | Data Science Advance
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define feature engineering in your own words.

πŸ’‘ Hint: Think about why it's necessary in machine learning.

Question 2

Easy

What does 'overfitting' mean?

πŸ’‘ Hint: Consider how a model may not perform well on new data.

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 feature engineering?

  • To create visuals for analysis
  • To improve model performance
  • To eliminate data noise

πŸ’‘ Hint: Consider why processing data for models is essential.

Question 2

True or False: Overfitting occurs when a model generalizes well to new data.

  • True
  • False

πŸ’‘ Hint: Reflect on overfitting's effects on model predictions.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a dataset with missing values and outliers, describe a feature engineering process that prepares the dataset for training a model aimed at predicting health outcomes.

πŸ’‘ Hint: Think about the steps in data wrangling that can be integrated with feature engineering.

Question 2

Design a machine learning model predicting sales based on your chosen features. How would you ensure that your features help avoid overfitting?

πŸ’‘ Hint: Consider ways to validate and improve model performance iteratively.

Challenge and get performance evaluation