| Variable | Description | Type |
|---|---|---|
| Date | Date of the game | Date |
| Umpire | Name of the umpire | Character |
| Home | Home team | Character |
| Away | Away team | Character |
| R [H] | Runs scored by the home team | Integer |
| R [A] | Runs scored by the away team | Integer |
| PC | Pitches called | Integer |
| IC | Incorrect calls | Integer |
| xIC | Expected incorrect calls | Integer |
| CC | Correct calls | Integer |
| xCC | Expected correct calls | Integer |
| CCAx | Correct calls above expected | Numeric |
| Acc | Accuracy | Numeric |
| xAcc | Expected accuracy | Numeric |
| AAx | Accuracy above expected | Numeric |
| Con | Consistency | Numeric |
| Fav [H] | Favor to home team | Numeric |
| totRI | Total run impact | Numeric |