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The raw data of the phone's sensors is collected in stored in a table with the following fields | The raw data of the phone's sensors is collected in stored in a table with the following fields | ||
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id - primary key | id - primary key | ||
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DeviceID - generated by device and unique to each device | DeviceID - generated by device and unique to each device | ||
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SensorType - the type of sensor (accelerometer, gps, etc) | SensorType - the type of sensor (accelerometer, gps, etc) | ||
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TimeStamp - time at which data was collected | TimeStamp - time at which data was collected | ||
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X - raw data | X - raw data | ||
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Y - raw data | Y - raw data | ||
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Z - raw data | Z - raw data | ||
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tid - trip id | tid - trip id |