PPI Repository

Percentage of times that an unwanted activity is instantiated in a case.

Event log that contains activities whose execution is unwanted.

Unwanted activities negatively affect the quality of the process.

act
actinst
case
type

Formula for practitioners

$\frac{\mathit{UIC}(c)}{\mathit{I}(c)}$

$\mathit{UIC}(c)$ returns the unwanted activity instance count for case $c$.
$\mathit{I}(c)$ returns the total number of activity instances in case $c$.