Can HeartRateIntradayMinuteCount be derived from HeartRateIntradayCount?

CareEvolution Support

The two values are related, but it's not possible to accurately calculate HeartRateIntradayMinuteCount from HeartRateIntradayCount. It's easiest to explain with an example:

Assume the user only wore the watch for a couple minutes and these are all the HR samples for the day:

{"time":"06:08:05", "value":62},
{"time":"06:08:10", "value":67},
{"time":"06:08:20", "value":73},
{"time":"06:08:25", "value":76},
{"time":"06:08:35", "value":73},
{"time":"06:08:45", "value":73},
{"time":"06:08:50", "value":72},
{"time":"06:08:55", "value":72},
{"time":"06:09:00", "value":71},
{"time":"06:09:15", "value":60},
{"time":"06:09:30", "value":59},
{"time":"06:09:45", "value":58},
  • For this day, HeartRateIntradayCount is 12, because there are 12 samples.
  • HeartRateIntradayMinuteCount is 2, because all the samples occur within two minutes (6:08 and 6:09). This number approximates how many minutes the watch was worn throughout the day.
  • It's not possible to accurately convert from one to the other because the interval between samples is not constant. The interval is normally 5-15 seconds, but it can be as short as 1-3 seconds while the user is recording an activity.
  • Both counts are the total for one day (midnight to midnight in the user's local time)

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