Practice Handling Missing Data - 5.3 | Chapter 5: Data Preprocessing for Machine Learning | Machine Learning Basics
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Handling Missing Data

5.3 - Handling Missing Data

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does NaN stand for in a dataset?

💡 Hint: Think about what missing data implies.

Question 2 Easy

What is one method to handle missing data?

💡 Hint: Consider ways to eliminate incompleteness.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does NaN stand for?

💡 Hint: Consider what 'missing' means.

Question 2

What is one method to handle missing data?

Remove rows with NaN
Ignore rows
Data augmentation

💡 Hint: Think about how completeness affects data quality.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a dataset with missing values in multiple columns, provide a Python code to impute using both mean and median.

💡 Hint: Remember to import the necessary libraries first.

Challenge 2 Hard

Discuss a scenario where imputing data could introduce bias and provide a suggestion to mitigate this.

💡 Hint: Think about distribution shapes and imputation differences.

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