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Load and explore data. Conduct simple data analysis.
Check data quality – NAs and imputation
Define customer activity levels
13. Congratulations


Awesome job! That's the end of our quiz – and the course!

But don't stop here! Keep going, keep learning, and join us for more fun in other courses. This is a good start – you're on the right track to becoming a proficient data analyst!

If you enjoyed this course, we recommend you check out our Data Visualization 101. There, we'll learn how to create useful charts with R's ggplot2 data visualization package. See you around!


Press Next exercise to complete the course.