Vehicle claims in the south of Minas Gerais: an approach using classification models

Vehicle claims in the south of Minas Gerais: an approach using classification models

Authors

  • Luiz Otávio de Oliveira Pala Universidade Federal de Lavras
  • Marcela de Marillac Carvalho Universidade Federal de Lavras
  • Paulo Henrique Sales Guimarães Universidade Federal de Lavras
  • Thelma Sáfadi Universidade Federal de Lavras

DOI:

https://doi.org/10.5433/1679-0375.2020v41n1p79

Keywords:

Random forest, Random over sampling examples, Logistic regression.

Abstract

With the changes in the patterns of risk, new insurance products are available on the market. Consequently, pricing models are restructured to manage levels of risk and create premiums that maintain the well-being of insurers. This work analyzed the Logistics and Random forests models in the classification of total loss events in the south of Minas Gerais using original and artificial samples, built by the ROSE resampling method, which is a procedure for constructing artificial samples in a smoothing bootstrap. A total loss of a vehicle is considered when the repair costs for the same event exceed a percentage established by contract. As a result, it was obtained that the models with artificial data improved the balanced accuracy rate on unbalanced data.

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Author Biographies

Luiz Otávio de Oliveira Pala, Universidade Federal de Lavras

PhD student at Prog. of Statistics and Agricultural Exp., UFLA, Lavras, MG, Brazil

Marcela de Marillac Carvalho, Universidade Federal de Lavras

PhD student at Prog. of Statistics and Agricultural Exp., UFLA, Lavras, MG, Brazil

Paulo Henrique Sales Guimarães, Universidade Federal de Lavras

Prof. Dr., Depto. of Statistics, UFLA, Lavras, MG, Brasil

Thelma Sáfadi, Universidade Federal de Lavras

Profa. Dra., Depto. of Statistics, UFLA, Lavras, MG, Brazil

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Published

2020-06-20

How to Cite

Pala, L. O. de O., Carvalho, M. de M., Guimarães, P. H. S., & Sáfadi, T. (2020). Vehicle claims in the south of Minas Gerais: an approach using classification models. Semina: Ciências Exatas E Tecnológicas, 41(1), 79–86. https://doi.org/10.5433/1679-0375.2020v41n1p79

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