PPI Repository

Percentage of times that an activity is instantiated again, after it is instantiated a certain number of times, in any case in the event log.

Process where rework occurs recurrently.

Minimizing rework is desirable.

act
actinst
case
type

Formula for practitioners

$\frac{\mathit{RewCV}(a, \mathit{val})}{\mathit{I}(a)}$

$\mathit{RewCV}(a, \mathit{val})$ returns the rework count by value $\mathit{val}$ for activity $a$.
$\mathit{I}(a)$ returns the total number of instances of activity $a$.