Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is data transcription?
π‘ Hint: Think about how we make raw data usable in statistical software.
Question 2
Easy
Why is error checking important in data preparation?
π‘ Hint: Consider what happens if mistakes go unnoticed.
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 the first step in data preparation?
π‘ Hint: Think about how data starts its journey in research.
Question 2
True or False: Imputation is always a better method than exclusion when dealing with missing data.
π‘ Hint: Consider when each method may be appropriate.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
You have a dataset with 30% of its values missing. Discuss how you would evaluate the impact of this missing data on your research conclusions.
π‘ Hint: How does the missingness relate to the study design?
Question 2
Analyze the effect of outliers on a linear regression model and suggest a method for addressing them.
π‘ Hint: What methods exist that minimize the influence of outliers?
Challenge and get performance evaluation