Check if activity is present (contained) in a case
This rules examines whether the supplied activity is present in a case or not. The argument 'n' can be used to set a minimum number of occurences that should be present in each case. Using the function 'check_rule', this information can be added to the event log.
contains(activity, n = 1)
activity |
Activity to check. A character vector of length one. Should be an activity of the eventlog supplied with check_rule. |
n |
The minimum number of times the activity should be present. |
Other Declarative Rules:
absent(),
and(),
contains_between(),
contains_exactly(),
ends(),
precedence(),
responded_existence(),
response(),
starts(),
succession(),
xor()
library(bupaR)
library(eventdataR)
# Each patient should be registered at least once.
patients %>%
check_rule(contains("Registration"))
# Check whether some patients have received 2 or more blood tests.
patients %>%
check_rule(contains("Blood test", n = 2))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.