Practice Data Wrangling and Feature Engineering - 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

What is data wrangling?

💡 Hint: Think about the two primary processes involved in initial data handling.

Question 2

Easy

Define feature engineering in your words.

💡 Hint: Consider how this relates to making data more useful for models.

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 main goal of data wrangling?

  • To analyze data
  • To clean and transform data
  • To visualize data

💡 Hint: Think about the processes involved before data can be analyzed.

Question 2

True or False: Feature engineering can help reduce overfitting.

  • True
  • False

💡 Hint: Consider how features impact model complexity.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Assume you have a dataset with a notable number of missing entries for a critical variable. Discuss a comprehensive plan for handling these missing values while ensuring minimal loss of data integrity.

💡 Hint: Reflect on how the type of missing data might guide your approach.

Question 2

Reflect on how overfitting can occur due to irrelevant features in a dataset. From your understanding of feature engineering, propose strategies to avoid this issue.

💡 Hint: Consider the methods available for feature selection that can help with this challenge.

Challenge and get performance evaluation