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Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define data wrangling in your own words.
π‘ Hint: Think about how raw data needs to be prepared for further analysis.
Question 2
Easy
What is imputation?
π‘ Hint: Consider methods like using averages or other statistical means.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is data wrangling?
π‘ Hint: Focus on what 'wrangling' implies about the data process.
Question 2
Which of the following is NOT a step in data wrangling?
π‘ Hint: Think about the primary goal of data wrangling.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
You are provided a dataset containing various fields with missing values scattered throughout. Describe a systematic approach to address these missing values while ensuring minimal data loss.
π‘ Hint: Consider the implications of each method on your dataset size and analysis.
Question 2
Youβve received customer feedback data where some entries are duplicated, and others have inconsistent formatting (e.g., dates). Create a plan on how you would clean this data for a reliable analysis.
π‘ Hint: Consistency is key; uniform data formats can save time during analysis.
Challenge and get performance evaluation