metric
/api/metric/
List methods: get
Detail methods: get
This resource describes the metrics that are available for use in the
include_metrics
field in range, record, and report
requests.
Metrics come in two varieties, metrics
and histograms
. We split the
metrics into the metrics
or histograms
attributes on the result for
historical reasons and to make parsing them more convenient.
A metric
metric will contain a value of either null (if no value is
present) or a number.
A histogram
metric will contain a value of either null or an array
containing an array of bins and an array of counts, ie. the x,y values of
the histogram.
the bold words in the descriptions are references
Rendering metric.html
List of available metrics
Name  Id  Unit  Description 

ASDNN  183  second  The Average of the Standard Deviations of all nninterval. 
AVNN  182  second  Average of the nninterval. 
Act Avg  1  gravitational acceleration  Average value of the activity signal. 
Act Histogram  301  gravitational acceleration  Histogram of the acceleration signal measured by the 3axis accelerometer. 
Act Max  3  gravitational acceleration  Maximum value of the activity signal. 
Act Min  4  gravitational acceleration  Minimum value of the activity signal. 
BR Avg  12  respirations per minute  Average value of the breathingrate. 
BR Histogram  302  respirations per minute  Histogram of the breathingrate. 
BR Max  14  respirations per minute  Maximum value of the breathingrate. 
BR Min  15  respirations per minute  Minimum value of the breathingrate. 
Cadence Avg  17  steps per minute  Average value of the cadence. 
Cadence Histogram  303  steps per minute  Histogram of the cadence. 
Cadence Max  19  steps per minute  Maximum value of the cadence. 
Cadence Min  20  steps per minute  Minimum value of the cadence. 
Distance  2038  metre  Distance given by the GPS or by a manual entry. In order of priority: manual, then gps. We used to use an approximation based on the step count but it was not accurate enough. 
Duration  22  second  Total duration of range or record or timerange. 
Energy  149  Calorie  Total of energy based on userSpec VO2. We used Mifflin and Keytel equation where the VO2max, HRMax and HRMin are defined for each user. 
Energy Avg  143  watt  Average value of energy based on userSpec VO2. We used Mifflin and Keytel equation where the VO2max, HRMax, HRMin are defined for each user. 
Energy Histogram  307  watt  Histogram value of energy based on userSpec VO2. We used Mifflin and Keytel equation where the VO2max, HRMax, HRMin are defined for each user. 
Energy Max  145  watt  Maximum value of energy based on userSpec VO2. We used Mifflin and Keytel equation where the VO2max, HRMax, HRMin are defined for each user. 
Energy Min  146  watt  Minimum value of energy based on userSpec VO2. We used Mifflin and Keytel equation where the VO2max, HRMax, HRMin are defined for each user. 
Energy Total  148  joule  Total of energy based on userSpec VO2. We used Mifflin and Keytel equation where the VO2max, HRMax, HRMin is defined for each user. 
HR Avg  44  beats per minute  Average value of the heartrate. 
HR Histogram  304  beats per minute  Histogram of the heartrate. 
HR Min  47  beats per minute  Minimum value of the heartrate. 
HRV (HF)  170  percent  Average value of hrvhfnorm. 
HRVHF Avg  175  millisecond^2  Average value of hrvhf. 
HRVHF Norm Max  172  percent  Maximum value of hrvhfnorm. 
HRVHF Norm Min  171  percent  Minimum value of hrvhfnorm. 
HRVLF Avg  174  millisecond^2  Average value of hrvlf. 
HRVLF Norm Avg  173  percent  Average value of 1hrvhfnorm. 
Height  92  metre  User's height. 
MV Adjusted Avg  255  litres per minute  Average value of the minuteventilationadjusted. 
MV Adjusted Histogram  310  litres per minute  Histogram of the minuteventilation. 
MV Adjusted Max  257  litres per minute  Minimum value of the minuteventilationadjusted. 
MV Adjusted Min  258  litres per minute  Maximum value of the minuteventilationadjusted. 
MV Avg  55  litres per minute  Average value of the minuteventilation. This value is based on the raw signal, you are probably looking for metric 255. 
MV Histogram  305  litres per minute  Histogram of the minuteventilation. This value is based on the raw signal, you are probably looking for metric 310. 
MV Max  57  litres per minute  Minimum value of the minuteventilation. This value is based on the raw signal, you are probably looking for metric 257. 
MV Min  58  litres per minute  Maximum value of the minuteventilation. This value is based on the raw signal, you are probably looking for metric 258. 
Power NN  176  millisecond^2  Total power of the nninterval. Or variance or the nninterval. 
RMSSD  184  millisecond  Root Mean Square of the Successive Differences. Contrary to normal definition, the RMSSD is calculated on the normal RR intervals (i.e. nninterval.) and not on all RR intervals. This process is used as many noise artifacts as possible. To have access to raw results for RR intervals, please contact software@hexoskin.com. 
Recorded Time  113  second  Number of heartrate signal sampled at 1 Hz. i.e. The number of seconds of signal stored on the server. 
SDANN  181  second  Standard Deviation of the Averages of nninterval. 
SDNN  180  second  Standard Deviations of all nninterval. 
Sleep Non REM Time  1063  second  The total time in the NREM sleepphase during the sleep period, which is defined as the time between the sleep onset and the last awakening. 
Sleep Percent  1042  percent  The sleep percent is the proportion of time asleep over the sleep time (sleep time = 'time in bed'  sleep latency). 
Sleep Phase Histogram  309  Histogram of the sleepphases. 

Sleep Position Changes  1038  repetition  Number of sleepposition changes detected. 
Sleep Position Histogram  308  Histogram of the sleeppositions. 

Sleep Position P1 Time  1033  Total time where user is in sleepposition 1 (Belly). 

Sleep Position P2 Time  1034  Total time where user is in sleepposition 2 (Back). 

Sleep Position P3 Time  1035  Total time where user is in sleepposition 3 (Right). 

Sleep Position P4 Time  1036  Total time where user is in sleepposition 4 (Left). 

Sleep Position P5 Time  1037  Total time where user is in sleepposition 5 (Standing). 

Sleep REM Time  1062  second  The total time is the REM sleepphase during the sleep period, which is defined as the time between the sleep onset and the last awakening. 
Sleep Wake Time  1064  second  The total time in the awake vigilance state during the sleep period, which is defined as the time between the sleep onset and the last awakening. 
Speed (moving) Avg  502  metres per second  Average speed calculated by the GPS, The periods of time where the user is not moving are excluded. 
Speed Avg  504  metres per second  Average speed calculated by the GPS, The periods of time where the user is not moving are included. 
Speed Max  501  metres per second  Maximum speed calculated by the GPS. 
Steps  71  repetition  Number of steps detected. 
SystolicPressureCuff  2040  millimetre Hg  Systolic pressure from third party device (cuff: reference) 
Tidal Volume Adjusted Histogram  311  litre  Histogram of the tidalvolumeadjusted. 
Tidal Volume Histogram  306  litre  Histogram of the tidalvolume. This value is based on the raw signal, you are probably looking for metric 311. 
Tidalvolume Adjusted Avg  277  litre  Average value of the tidalvolumeadjusted. 
Tidalvolume Adjusted Max  279  litre  Maximum value of the tidalvolumeadjusted. 
Tidalvolume Adjusted Min  280  litre  Minimum value of the tidalvolumeadjusted. 
Tidalvolume Avg  77  litre  Average value of the tidalvolume. This value is based on the raw signal, you are probably looking for metric 277. 
Tidalvolume Max  79  litre  Maximum value of the tidalvolume. This value is based on the raw signal, you are probably looking for metric 279. 
Tidalvolume Min  80  litre  Minimum value of the tidalvolume. This value is based on the raw signal, you are probably looking for metric 280. 
Triangular Index  185  Measurement is the integral of the density distribution (i.e. the number of all nninterval.) divided by the maximum of the density distribution. 

VolumeExpired  2039  litre  Max expired volume Standard test. 
Weight  89  kilogram  User's weight. 
Fields
 description:

Description of the metric.
This field is readonly.
 id:

The primary key for this resource. Integer data. Ex: 2673
This field is readonly.
 is_kpi:

Is the metric a kpi
This field is readonly.
 name:

Name of the metric
This field is readonly.
 resource_uri:

The unique URI where the object resides.
This field is readonly.
 type:

Type of the metric
This field is readonly.
 unit:

A reference to the resource. Maybe specified by URI or ID. Using a URI is recommended.
This field is returned fully populated.
This field is readonly.
 value:

Populated according the the context of the range, record, or report. This field is omitted when no context is present.
This field is required.
 writable:

Name of the metric
This field is readonly.
Filtering Options
 id: exact, in, gt, gte, lt, lte, range
 is_kpi: exact
 name: exact, contains, in, startswith, endswith
 show_all: exact
If provided (regardless of the value), nondefault and deprecated metrics are included in the results.
Sorting Options
 id
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