PPI Repository

Rework Count

\mathit{RewC}(a)

Dimension:

Quality

Granularity:

Activity

Number of times that an activity is instantiated again, after its first instantiation, in any case of the event log.

Process where rework recurrently occurs.

Minimizing rework is desirable.

MINIMIZE

act
actinst
case
type

$\sum _{c \in C} \mathit{max}(0, \mathit{count}(c, a) - 1)$

$\mathit{count}(c, a)$ returns the number of instances of activity $a$ in case $c$ .

$\sum _{c \in C} \mathit{max}(0, \mathit{count}(c, a) - 1)$

This indicator is implemented in the process_performance_indicators Python library.

process_performance_indicators.indicators.quality.activities.rework_count