PPI Repository

outcome Unit count

\mathit{U}\mathit{^{\times}}(a)

\mathit{\times} \in \{\mathit{sgl}, \mathit{sum}\}

Dimension:

Quality

Granularity:

Activity

Description

Outcome units associated with all instantiations of an activity in the event log.

Potential use

Process where the outcome of activity instances can be measured.

Assumptions

Maximizing outcome unit count is desirable.

Desired Value:

MAXIMIZE

Required attributes

act
actinst
type
unt

Equations

Formula for practitioners

$\sum _{i \in \mathit{inst}(a)} \mathit{U}(i)$

$\mathit{inst}(a)$ returns the set of all instances of activity $a$ .
$\mathit{U}(i)$ returns the outcome unit count of activity instance $i$ .

Formal Definition

$\sum _{i \in \mathit{inst}(a)} \mathit{U}\mathit{^{\times}}(i)$
The $\mathit{\times}$ indicates that the PPI can take multiple forms, in this case, $\mathit{\times} \in \{\mathit{sgl}, \mathit{sum}\}$ . If $\mathit{\times} = \mathit{sgl}$ , then the function considers single events of activity instances for outcome unit calculations, i.e., it uses $\mathit{U}\mathit{^{sgl}}$ ; if $\mathit{\times} = \mathit{sum}$ , then the function considers the sum of all events of activity instances for outcome unit calculations, i.e., it uses $\mathit{U}\mathit{^{sum}}$ .

Python implementation

This indicator is implemented in the process_performance_indicators Python library.

process_performance_indicators.indicators.quality.activities.outcome_unit_count

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