Read and merge Fitbit json files into one data.frame, and give warning if time series do not intersect.
mergeFitbitData(filenames = NULL,
desiredtz = "", configtz = NULL)Merged data from the two or more files.
Character vector, specifying the filenames (at least two) to be merged.
Character, timezone name where the accelerometer was worn. Timezone names are expected to be the timezone database names, e.g. Europe/London. See also: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
Character, timezone name where the accelerometer was configured. Leave NULL if equal to desiredtz. Timezones name are expected to be the timezone database names, e.g. Europe/London. See also: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
Vincent T van Hees <v.vanhees@accelting.com>