Research Article
Improved Correction of Atmospheric Pressure Data Obtained by Smartphones through Machine Learning
Table 6
Data fields used for machine learning.
| Data type or source | Field | Unit or format |
| Observation data obtained by smartphones | Atmospheric pressure, measured | hPa | Atmospheric pressure, corrected (MSLP) | hPa | Year | YYYY | Month | MM | Day | DD | Hour | hh | Minute | mm | Second | ss | Latitude | Degrees | Longitude | Degrees | Altitude | m | Precision of location measurement | ā | DEM altitude | m |
| Observation data obtained by the nearest AWS | AWS number | ā | AWS latitude | Degrees | AWS longitude | Degrees | AWS altitude | m | Mean sea level pressure | hPa | Temperature | K | Relative humidity | % |
| Distance between the smartphone and its nearest AWS | Difference between locations | Degrees |
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