Top Questions

1. Can I use two keys from one of the data sets and one key from another dataset when I merge two data sets?
   0 votes

   1 answers
2. How can I check the value that exists for the earliest date?
   0 votes

   1 answers
3. How can I eleminate the rows if one of the two columns has NA?
   0 votes

   0 answers
4. How can I plot two lines in one graph where values of the lines do not exist for the same x axis?
   -1 votes

   2 answers
5. How can I use an index from a dataset without mergin all datasets?
   -1 votes

   1 answers