Vidyalelo
R Programming · Q36

Data Manipulation with dplyr

Programming · R Programming · question 36

Q36

What is the role of the left_join() function in dplyr?

A.
Performs a left outer join between two data frames
Answer
B.
Merges data frames based on common columns
C.
Filters rows present in the left data frame
D.
Arranges the rows based on a common column

Answer: Option A

Solution

Answer: Option A
No explanation is given for this question Let's Discuss on Board