sum_activity() counts the number of active time periods (i.e., days, weeks,
months, years, or waves) by panelist_id. A period counts as "active" if
the panelist provided at least one visit for that period.
Usage
sum_activity(wt, timeframe = "date")
Arguments
- wt
webtrack data object.
- timeframe
character. Indicates for what time frame to aggregate visits.
Possible values are "date", "week", "month", "year" or "wave". If
set to "wave", wt must contain a column call wave. Defaults to "date".
Value
a data.frame with columns panelist_id, column indicating the
number of active time units.
Examples
if (FALSE) { # \dontrun{
data("testdt_tracking")
wt <- as.wt_dt(testdt_tracking)
# summarize activity by day
wt_sum <- sum_activity(wt, timeframe = "date")
} # }
