Quiz

Quiz	Questions	Best score	Attempt	Shuffle
R - Install and Load Packages	8	—	Attempt	Shuffle
R - Create and Copy Datasets	8	—	Attempt	Shuffle
R - Subsetting Observations and Variables	10	—	Attempt	Shuffle
R - Renaming and Adding Variables	8	—	Attempt	Shuffle
R - Conditional Logic (case_when, if_else)	8	—	Attempt	Shuffle
R - Appending and Merging Datasets	10	—	Attempt	Shuffle
R - Sorting and Handling Duplicates	9	—	Attempt	Shuffle
R - Frequencies and Descriptive Statistics	9	—	Attempt	Shuffle
R - First-dot and Last-dot Concepts	8	—	Attempt	Shuffle
R - Transpose (long and wide)	8	—	Attempt	Shuffle
R - Arrays and across()	8	—	Attempt	Shuffle
R - Retain and Accumulate Patterns	9	—	Attempt	Shuffle