|
Size: 438
Comment:
|
← Revision 6 as of 2025-10-24 17:10:46 ⇥
Size: 622
Comment: Rewrite
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 3: | Line 3: |
| The '''`duplicates`''' command reports on and deletes duplicated cases. | '''`-duplicates-`''' reports on and deletes duplicated cases. |
| Line 23: | Line 23: |
| == Stored Results == `duplicates report` stores the number of unique observations in `r(unique_value)`. `duplicates drop` stores the number of rows dropped in `r(N_drop)` ---- |
|
| Line 25: | Line 35: |
| [[https://www.stata.com/manuals/dduplicates.pdf|Stata manual for duplicates]] | [[https://www.stata.com/manuals/dduplicates.pdf|Stata manual for -duplicates-]] |
Stata Duplicates
-duplicates- reports on and deletes duplicated cases.
Contents
Usage
duplicates drop KEYVARS, force
To drop true duplicated cases (i.e. all values match), try duplicates drop (no variable list).
Stored Results
duplicates report stores the number of unique observations in r(unique_value).
duplicates drop stores the number of rows dropped in r(N_drop)