Top Questions

1. Merge multiple .csv files into one
   5 votes

   2 answers
2. replacing all NA with a 0 in data.table in R
   4 votes

   2 answers
3. calculating the proportion of count variable per group in data.table in R
   3 votes

   4 answers
4. data.table - summarizing data - difference between `by` and `keyby`?
   3 votes

   1 answers
5. Alternative to cut function in R for data.tables - integer variables to factors
   3 votes

   2 answers