Research Article
Correcting Air-Pressure Data Collected by MEMS Sensors in Smartphones
Table 1
Scale and rate of the meteorological data collected by smartphones.
| Data scale | Pressure | Humidity | Temperature | Altitude | Speed |
| Time range | | | 01/01/2014–31/08/2014 (240 days) | | |
| Location range | | | | | | Latitude | | | 33.20294–38.57546° N | | | Longitude | | | 124.6549–131.8698° E | | |
| Number of users | 3,096 | 912 | 929 | 1,408 | 1,406 |
| Number of total data | 2,654,548 | 944,604 | 949,859 | 272,341 | 268,651 |
| Rate | 100% | 35.58% | 35.78% | 10.26% | 10.12% |
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