The daily validation csv file contains the data use to validate each day of the recording. Further details on the validation algorithm are described here.
When produced by the batch processing tool PALbatch, the data from multiple files are included in a single csv file.
| Column heading | Description |
|---|---|
| Serial Number | Device Serial Number |
| File Code | File identifier set on recording setup |
| Download Identifier | File identifier set on download of recording from the device |
| Day of Week | Day name (Mon-Sun) |
| Date | Date in DD MMM YYYY format e.g. 17 May 2018 |
| Valid | Passes validation algorithm criteria (0 – Fail, 1 – Pass) |
| Inverted wear correction | Auto-correction for inverted wear applied (0 – No, 1 – Yes) |
| Alignment (%) | Data quality index: device alignment orthogonal to the thigh axis (100% – fully aligned, 50% – 45 degree angle offset) |
| Dominant Stepping Dice Face | The dominant orientation (Orientation dice face 1-6) of the device with accelerations consistent with stepping |
| Dominant Sitting Dice Face | The dominant orientation (Orientation dice face 1-6) of the device when adjacent to identified upright orientations |
| Total Still Time | Total time (in hours) spent in continuous stillness bouts greater than an hour |
| Duration | Total duration of day in hours |
| >1h Still Upright Time | Total time (in hours) the device spent in continuous stillness bouts greater than an hour in upright orientation (Orientation dice face 1) |
| >1h Still Upside Down Time | Total time (in hours) the device spent in continuous stillness bouts greater than an hour in upside down orientation (Orientation dice face 6) |
| >1h Still Back Lying Time | Total time (in hours) the device spent in continuous stillness bouts greater than an hour in back lying orientation (Orientation dice face 2) |
| >1h Still Front Lying Time | Total time (in hours) the device spent in continuous stillness bouts greater than an hour in front lying orientation (Orientation dice face 5) |
| >1h Still Left Lying Time | Total time (in hours) the device spent in continuous stillness bouts greater than an hour in left lying orientation (Orientation dice face 4) |
| >1h Still Right Lying Time | Total time (in hours) the device spent in continuous stillness bouts greater than an hour in right lying orientation (Orientation dice face 3) |
| Upright Num Stepping | Number of 15s epochs in the day with accelerations consistent with stepping in upright orientation (Orientation dice face 1) |
| Upside Down Num Stepping | Number of 15s epochs in the day with accelerations consistent with stepping in upside down orientation (Orientation dice face 6) |
| Back Num Stepping | Number of 15s epochs in the day with accelerations consistent with stepping in back lying orientation (Orientation dice face 2) |
| Front Num Stepping | Number of 15s epochs in the day with accelerations consistent with stepping in front lying orientation (Orientation dice face 5) |
| Left Num Stepping | Number of 15s epochs in the day with accelerations consistent with stepping in left lying orientation (Orientation dice face 4) |
| Right Num Stepping | Number of 15s epochs in the day with accelerations consistent with stepping in right lying orientation (Orientation dice face 3) |
| Upright Stepping AbsSumDiff | Absolute sum of differences of 15s epoch accelerations consistent with stepping in upright orientation (Orientation dice face 1) |
| Upside Down Stepping AbsSumDiff | Absolute sum of differences of 15s epoch accelerations consistent with stepping in upside down orientation (Orientation dice face 6) |
| Back Stepping AbsSumDiff | Absolute sum of differences of 15s epoch accelerations consistent with stepping in back lying orientation (Orientation dice face 2) |
| Front Stepping AbsSumDiff | Absolute sum of differences of 15s epoch accelerations consistent with stepping in front lying orientation (Orientation dice face 5) |
| Left Stepping AbsSumDiff | Absolute sum of differences of 15s epoch accelerations consistent with stepping in left lying orientation (Orientation dice face 4) |
| Right Stepping AbsSumDiff | Absolute sum of differences of 15s epoch accelerations consistent with stepping in right lying orientation (Orientation dice face 3) |
| Upright Num Adjacent To Stepping | Number of 15s epochs adjacent to identified stepping orientation for the day in upright orientation (Orientation dice face 1) |
| Upside Down Num Adjacent To Stepping | Number of 15s epochs adjacent to identified stepping orientation for the day in upside down orientation (Orientation dice face 6) |
| Back Num Adjacent To Stepping | Number of 15s epochs adjacent to identified stepping orientation for the day in back lying orientation (Orientation dice face 2) |
| Front Num Adjacent To Stepping | Number of 15s epochs adjacent to identified stepping orientation for the day in front lying orientation (Orientation dice face 5) |
| Left Num Adjacent To Stepping | Number of 15s epochs adjacent to identified stepping orientation for the day in left lying orientation (Orientation dice face 4) |
| Right Num Adjacent To Stepping | Number of 15s epochs adjacent to identified stepping orientation for the day in right lying orientation (Orientation dice face 3) |
| Upright Time(h) | Total time device spent in upright orientation (Orientation dice face 1) |
| Upside Down Time(h) | Total time device spent in upside down orientation (Orientation dice face 6) |
| Back Lying Time(h) | Total time device spent in back lying orientation (Orientation dice face 2) |
| Front Lying Time(h) | Total time device spent in front lying orientation (Orientation dice face 5) |
| Left Lying Time(h) | Total time device spent in left lying orientation (Orientation dice face 4) |
| Right Lying Time(h) | Total time device spent in right lying orientation (Orientation dice face 3) |
| Upright AbsSumDiff | Total absolute sum of differences of acceleration signal in upright orientation (Orientation dice face 1) |
| Upside Down AbsSumDiff | Total absolute sum of differences of acceleration signal in upside down orientation (Orientation dice face 6) |
| Back AbsSumDiff | Total absolute sum of differences of acceleration signal in back lying orientation (Orientation dice face 2) |
| Front AbsSumDiff | Total absolute sum of differences of acceleration signal in back lying orientation (Orientation dice face 5) |
| Left AbsSumDiff | Total absolute sum of differences of acceleration signal in left lying orientation (Orientation dice face 4) |
| Right AbsSumDiff | Total absolute sum of differences of acceleration signal in right lying orientation (Orientation dice face 3) |
| X Average Stepping Accel | Average x acceleration value when in identified stepping orientation |
| Y Average Stepping Accel | Average y acceleration value when in identified stepping orientation |
| Z Average Stepping Accel | Average z acceleration value when in identified stepping orientation |