Intermediate
R
Q65 / 100
What is the purpose of "group_by()" combined with "summarise()" in dplyr?
Correct! Well done.
Incorrect.
The correct answer is B) To partition data into groups by one or more variables and then compute aggregate statistics per group
B
Correct Answer
To partition data into groups by one or more variables and then compute aggregate statistics per group
Explanation
group_by() splits a data frame into groups based on column values, and summarise() then computes one or more summary statistics for each group.
Progress
65/100