Usage
activity_duration(
data = NULL,
db = NULL,
participant_id = NULL,
confidence = 70,
direction = "forward",
start_date = NULL,
end_date = NULL,
by = c("Total", "Day", "Hour")
)Arguments
- data
A data frame containing the activity data. See get_data for retrieving activity data from an mpathsenser database.
- db
A database connection to an m-Path Sense database.
- participant_id
A character string identifying a single participant. Use
get_participantsto retrieve all participants from the database. Leave empty to get data for all participants.- confidence
The minimum confidence (0-100) that should be assigned to an observation by Activity Recognition.
- direction
The directionality of the duration calculation, i.e. \(t - t_{t-1}\) or \(t_{t+1} - t\).
- start_date
Optional search window specifying date where to begin search. Must be convertible to date using as.Date. Use first_date to find the date of the first entry for a participant.
- end_date
Optional search window specifying date where to end search. Must be convertible to date using as.Date. Use last_date to find the date of the last entry for a participant.
- by
Either 'Total', 'Hour', or 'Day' indicating how to summarise the results.
