PPI Repository

Ratio between the service time and the lead time of all instantiations of an activity in the event log.

Event log in which the difference between service time and lead time is of relevance.

Ratio between service time and lead time should be as large as possible.

act
actinst
case
time
type

Formula for practitioners

$\frac{\mathit{ST}(a)}{\mathit{LT}(a)}$

$\mathit{ST}(a)$ returns the total service time accumulated across all instances of activity $a$.
$\mathit{LT}(a)$ returns the total lead time of activity $a$.