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Data Quality Warning Codes.
| Warning Code | Description |
|---|---|
| 0 | No issues |
| 1 | Misordered categorical, outcomes do not have constant scale |
| 2 | Variable has positive or negative outcome(s) which override a continuous answer set |
| 3 | Reserved (not used) |
| 4 | A unique outcome is coded as a negative value |
| 5 | Missing data are coded as something other than the default (i.e., as a positive value) |
| 6 | A yes/no variable that has “no” coded to 0 instead of 2 |
