An analytic journey in an industrial classification problem: How to use models to sharpen your questions

Author:

Kenett Ron S.1ORCID,Gotwalt Chris2,Poggi Jean‐Michel3

Affiliation:

1. The KPA Group and the Samuel Neaman Institute Technion Israel

2. JMP Division SAS, Research Triangle North Carolina USA

3. Laboratoire de Mathématiques Université Paris‐Saclay, Orsay, and Université Paris Cité Orsay France

Abstract

AbstractThe mathematician and bio‐scientist Sam Karlin is quoted stating that “The purpose of models is not to fit the data but to sharpen the question”. In this paper, we describe a journey between questions, models and data analysis to reach specific goals. This journey is typical in industrial, engineering, biology and social science applications. It contrasts regulated clinical research where a statistical analysis plan is declared before data collection. We consider random forests, ridge regression, lasso and elastic nets. To make our point, we use a case study of 63 sensors collected in the testing of an electronic system. The paper lists a sequence of questions and how they were tackled by statistical analysis to meet the analysis goal. Eventually, we were able to provide a robust parsimonious and effective model for predicting the system condition using a subset of the 63 sensors. In handling this problem, we develop and apply several innovative methods and insights that can prove useful in other contexts.

Publisher

Wiley

Subject

Management Science and Operations Research,Safety, Risk, Reliability and Quality

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The ENBIS‐22 quality and reliability engineering international special issue;Quality and Reliability Engineering International;2023-12-17

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