Custom duration epochs csv

The custom duration epochs csv file summarises the events which occur in a user defined time slice. The user-defined epoch duration can range from 1s to 1 day.

Column HeadingDescription
TimeDate and time encoded as a floating point number, The integer part of number represents the date. The decimal portion represents the time.
(Full details at: http://support.microsoft.com/kb/210276)

To view the time in Excel, follow this these instructions
Time (approx)For convenience, the date and time accurate to the nearest second. This should not be used for calculations of time diffferences.
Step CountNumber of steps counted in the custom epoch
Activity ScoreActivity score in MET.s in the custom epoch
Sedentary TimeNumber of seconds sedentary in the custom epoch
Upright TimeNumber of seconds upright in the custom epoch (Note: this is the time spent standing and stepping)
Stepping TimeNumber of seconds stepping in the custom epoch (Note: this time is also included in the upright time)
Cycling TimeNumber of seconds cycling in the custom epoch (Note: this time is also included in the upright time)
Primary Lying Time(CREA algorithm only) Number of seconds of primary lying in the custom epoch
Secondary Lying Time(CREA algorithm only) Number of seconds of secondary lying in the custom epoch
Non Wear Time(CREA algorithm only) Number of seconds of non-wear in the custom epoch
Seated Transport TimeNumber of seconds in seated transport in the custom epoch (Note: this time is included in the sedentary time)
Sedentary to Upright MovementsNumber of sit to stands in the custom epoch
Upright to Sedentary MovementsNumber of stand to sits in the custom epoch
Sum(abs(dChannel1))Sum of the absolute sample to sample differences on the x axis in the custom epoch
Sum(abs(dChannel2))Sum of the absolute sample to sample differences on the y axis in the custom epoch
Sum(abs(dChannel3))Sum of the absolute sample to sample differences on the z axis in the custom epoch

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