Hi ,
I have a dataset with mutiple columns and I need to add a calculated fieild and change the format as follow.
Original dataset
| ID | Date | Value |
| AAA | 11/1/2016 | 5 |
| BBB | 11/1/2016 | 3 |
| AAA | 11/2/2016 | 7 |
| BBB | 11/2/2016 | 2 |
| AAA | 11/3/2016 | 4 |
| BBB | 11/3/2016 | 3 |
I need to change it to
| ID | ID2 | Date | ValueAAA -Value BBB |
| AAA | BBB | 11/1/2016 | 2 |
| AAA | BBB | 11/2/2016 | 5 |
| AAA | BBB | 11/3/2016 | 1 |