PPI Repository

Expected Role count

\mathit{e}\mathit{Role}(g)

Dimension:

General

Granularity:

Group of cases

Description

Expected number of human resource roles that are involved in the execution of a case belonging to a group of cases.

Potential use

Calculation of several other PPIs.

Assumptions

Desired Value:

Required attributes

case
role

Equations

Formula for practitioners

$\frac{\sum_{c \in \mathit{cases}(g)} \mathit{Role}(c)}{\mathit{C}(g)}$

$\mathit{cases}(g)$ returns the set of cases in group of cases $g$ .
$\mathit{Role}(c)$ returns the role count of case $c$ .
$\mathit{C}(g)$ returns the case count of group of cases $g$ .

Formal Definition

$\frac{\sum _{c \in g} \mathit{Role}(c)}{\mathit{C}(g)}$

Python implementation

This indicator is implemented in the process_performance_indicators Python library.

process_performance_indicators.indicators.general.groups.expected_role_count

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