Table 8 Transcription validation issues.
Data type | Validation issue | Solution | flag |
|---|---|---|---|
Float number (pressure, temperature, precipitation, percentage) Precipitation, temperature | Space instead of decimal point | Replace with single decimal | |
Comma instead of decimal point | Replace with single decimal | ||
Two decimal points | Replace with single decimal | ||
+ or space before value if in original document | Remove extraneous character | ||
Double negative | Remove second negative | ||
fraction | Convert to decimal | ||
Vapour pressure | Missing decimal | Multiply by 100 | multiply by 100 |
All fields | Multiple entries in fields | Separate entries | |
Precipitation | Multiple entries in precipitation fields | Sum entries | Two values added |
Wind, cloud | Multiple entries | Split entries | |
Precipitation | “Trace”, “slight” or “in” [inappreciable] in precipitation field | Replace with 0.005 (inches) | trace |
Cloud | Cloud amount “Hidden”,” Fog”,”Haze”,”Mist” or “Smoke” | Cloud amount = 9 |