PPI Repository

Expected sum of time periods in which no activity instance is executed during a case belonging to a group of cases.

Event log that contains lifecycle information for activity instances in which the time the case is inactive is of interest.

Minimizing idle time is desirable.

actinst
case
time
type

Formula for practitioners

$\frac{\sum_{c \in g} \mathit{IT}(c)}{\mathit{C}(g)}$

$g$ represents the group of cases under analysis.
$\mathit{IT}(c)$ returns the idle time of case $c$.
$\mathit{C}(g)$ returns the case count of group of cases $g$.