About GTSPP Data Quality Flags
| Class | Quality | Description | Comment |
|---|---|---|---|
Flag 0 |
No QC done | No quality control has been assigned to this element. | Flag 0 data are the level at which all data enter the working archive. They have not yet been quality controlled. |
Flag 1 |
Good data | The element appears to be correct. | Flag 1 data are top quality data in which no malfunctions have been identified and all real features have been verified during the quality control process. |
Flag 2 |
"Probably" good data | The element appears to be probably good. Flag 2 data are good data in which some features (probably real) are present but these are unconfirmed. | Flag 2 data are also data in which minor malfunctions may be present but these errors are small and/or can be successfully corrected without seriously affecting the overall quality of the data. |
Flag 3 |
"Probably" bad data | The element appears doubtful | Flag 3 data are suspect data in which unusual, and probably erroneous features are observed. |
Flag 4 |
Bad data | The element appears erroneous | Flag 4 data are those in which obviously erroneous values are observed. |
Flag 5 |
Changed | The element has been changed | Flag 5 data have been altered by a QC Centre, with original values (before the change) preserved in the history record of the profile. |
Flags 6 - 8 |
Reserved | Reserved for future use | Flags 6 - 8 are reserved for future use. |
Flag 9 |
Elemen missing | The element is missing | Flag 9 data indicate that the element is missing. |
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