Enhanced functionality of 'mult' argument #1260
Labels
enhancement
feature request
joins
Use label:"non-equi joins" for rolling, overlapping, and non-equi joins
This is a merge of issues #651, #655 and #1233 since they are very much related. Will close all the other issues.
Enhanced functionality for
mult =
argument:From #651:
1L
- similar to "first".N
- similar to "last""sample"
- 'random' -sample(.N, size = 1L)
-1L
- all but firstc(FALSE, TRUE)
- even rowsSee this link for more info from the data.table mailing list. Also refer to #651 if necessary.
0L
? - don't return multiple matches. (mult="none"
option in[.data.table
#1233)The text was updated successfully, but these errors were encountered: