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Expected number of times that any activity is instantiated again, after it is instantiated a certain number of times, in a case belonging to a group of cases.

Process where rework recurrently occurs.

Minimizing rework is desirable.

act
actinst
case
type

Formula for practitioners

$\frac{\mathit{RewCV}(g, \mathit{val})}{\mathit{C}(g)}$

$\mathit{RewCV}(g, \mathit{val})$ returns the total rework count by value $\mathit{val}$ for group $g$.
$\mathit{C}(g)$ returns the number of cases in group $g$.