By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
| REGION | COUNT(*) | RR | RR |
|---|---|---|---|
| a | 3 | .38 | .38 |
| b | 1 | .13 | .13 |
| null | 4 | .5 | .5 |
| REGION | COUNT(*) | RR | RR |
|---|---|---|---|
| a | 3 | .75 | .75 |
| b | 1 | .25 | .25 |
| null | 4 | 1 | 1 |
| REGION | COUNT(*) | RR | RR |
|---|---|---|---|
| a | 3 | .38 | .38 |
| b | 1 | .13 | .13 |
| null | 4 | .5 | .5 |
| REGION | COUNT(*) | RR | RR |
|---|---|---|---|
| a | 3 | .75 | .75 |
| b | 1 | .25 | .25 |
| null | 4 | 1 | 1 |