PPI Repository

Rework Count

\mathit{RewC}(c)

Dimension:

Quality

Granularity:

Case

Number of times that any activity is instantiated again, after its first instantiation, in a case.

Process where rework recurrently occurs.

Minimizing rework is desirable.

MINIMIZE

act
actinst
case
type

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

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

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

This indicator is implemented in the process_performance_indicators Python library.

process_performance_indicators.indicators.quality.cases.rework_count