Top Answers

1. How to 'reverse melt' a data.frame?
   3 votes
2. rolling count of distinct users
   1 votes
3. Percentage of factor levels by group in R
   1 votes
4. Shading bars conditionally in ggplot for multiple series bar charts
   1 votes
5. Insert vector value in column(test_condition), if this word is contained in the sentence in the the according row
   0 votes