I have the below data for which I need to check Flag for 1 if have received data for complete Quarter else 0. for eg. in the below mentioned table, I have received data till May which is Q2 and I'm still expecting data for 1 month in Q2 so my flag will be 1 for Q1 only and in July when i get Jun data complete Q2 will be flagged as 1. Please help
Status May
| Flag | Month | Month_No | Qtr |
| 1 | Jan | 1 | Q1 |
| 1 | Feb | 2 | Q1 |
| 1 | Mar | 3 | Q1 |
| 0 | Apr | 4 | Q2 |
| 0 | May | 5 | Q2 |
| 0 | Jun | 6 | Q2 |
| 0 | Jul | 7 | Q3 |
| 0 | Aug | 8 | Q3 |
| 0 | Sep | 9 | Q3 |
| 0 | Oct | 10 | Q4 |
| 0 | Nov | 11 | Q4 |
| 0 | Dec | 12 | Q4 |
Status in Jun
| Flag | Month | Month_No | Qtr |
| 1 | Jan | 1 | Q1 |
| 1 | Feb | 2 | Q1 |
| 1 | Mar | 3 | Q1 |
| 1 | Apr | 4 | Q2 |
| 1 | May | 5 | Q2 |
| 1 | Jun | 6 | Q2 |
| 0 | Jul | 7 | Q3 |
| 0 | Aug | 8 | Q3 |
| 0 | Sep | 9 | Q3 |
| 0 | Oct | 10 | Q4 |
| 0 | Nov | 11 | Q4 |
| 0 | Dec | 12 | Q4 |