Gallagher Index Example of calculating disproportionality Example of calculating disproportionality

| party | _of_votes | _of_seats | difference | difference_squared |
|---|---|---|---|---|
| Republicans | 0.02 | 0 | 0.02 | 0.0004 |
| total of squares of differences | total of squares of differences | total of squares of differences | total of squares of differences | 2.5336 |
| total / 2 | total / 2 | total / 2 | total / 2 | 1.2668 |
| square root of (total / 2) | square root of (total / 2) | square root of (total / 2) | square root of (total / 2) | 1.13 |