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Table 2 Data gathered by the mobile device

From: A participatory sensing framework to classify road surface quality

Name Source Type Meaning
Average Speed (AS) GPS Raw Numeric Vehicle speed
R-Sum Software Numeric Vectorial sum of x,y,z- Accelerometer axes
R-Mean Software Numeric Average of R-SUM
Standard deviation (R-SD) Software Numeric standard deviation of R-Mean
Latitude GPS Numeric Local latitude
Longitude GPS Numeric Local longitude
Label User Character User opinion
Ground type User Character ground type
Position User Character Device positioning inside the car
Vehicle User Character Vehicle type
Timestamp Software Numeric Timestamp