Object

Title: How much do we see? On the explainability of partial dependence plots for credit risk scoring

Creator:

Szepannek, Gero ; Lübke, Karsten

Description:

Argumenta Oeconomica, 2023, Nr 1 (50), s. 137-150

Abstrakt:

Risk prediction models in credit scoring have to fulfil regulatory requirements, one of which consists in the interpretability of the model. Unfortunately, many popular modern machine learning algorithms result in models that do not satisfy this business need, whereas the research activities in the field of explainable machine learning have strongly increased in recent years. Partial dependence plots denote one of the most popular methods for model-agnostic interpretation of a feature’s effect on the model outcome, but in practice they are usually applied without answering the question of how much can actually be seen in such plots. For this purpose, in this paper a methodology is presented in order to analyse to what extent arbitrary machine learning models are explainable by partial dependence plots. The proposed framework provides both a visualisation, as well as a measure to quantify the explainability of a model on an understandable scale. A corrected version of the German credit data, one of the most popular data sets of this application domain, is used to demonstrate the proposed methodology.

Publisher:

Publishing House of Wroclaw University of Economics and Business

Place of publication:

Wroclaw

Date:

2023

Resource Type:

artykuł

Resource Identifier:

doi:10.15611/aoe.2023.1.07 ; oai:dbc.wroc.pl:121371

Language:

eng

Relation:

Argumenta Oeconomica, 2023, Nr 1 (50)

Rights:

Pewne prawa zastrzeżone na rzecz Autorów i Wydawcy

Access Rights:

Dla wszystkich zgodnie z licencją

License:

CC BY-SA 4.0

Location:

Uniwersytet Ekonomiczny we Wrocławiu

Group publication title:

Argumenta Oeconomica

Object collections:

Last modified:

Apr 17, 2024

In our library since:

May 13, 2023

Number of object content hits:

209

All available object's versions:

https://www.dbc.wroc.pl/publication/159651

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