Top Answers

1. add row to a data frame that calculates sums of all numeric columns
   3 votes
2. Can I summarise variable combinations further after grouping by user ID in R?
   2 votes
3. group_by and slice on groups based on condition
   2 votes
4. dropping columns in sequence/range via dplyr
   2 votes
5. How to pass unknown variables to another function in R
   2 votes