Check if activity is present (contained) in a case for exactly n times
This rules examines whether the supplied activity is present in a case for an exact number of times.
contains_exactly(activity, n = 1)
activity |
Activity too check. A character vector of length one. This should be an activity of the event log supplied to 'check_rule'. |
n |
The exact number of times the activity should be present. |
Other Declarative Rules:
absent(),
and(),
contains_between(),
contains(),
ends(),
precedence(),
responded_existence(),
response(),
starts(),
succession(),
xor()
library(bupaR)
library(eventdataR)
# Each patient should have exactly one registration activity instance.
patients %>%
check_rule(contains_exactly("Registration", n = 1))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.