Application of LogitBoost Classifier for Traceability Using SNP Chip Data

Kwondo Kim, Minseok Seo, Hyunsung Kang, Seoae Cho, Heebal Kim and Kang-Seok Seo

PLOS ONE, 2015, vol. 10, issue 10, 1-16

Abstract: Consumer attention to food safety has increased rapidly due to animal-related diseases; therefore, it is important to identify their places of origin (POO) for safety purposes. However, only a few studies have addressed this issue and focused on machine learning-based approaches. In the present study, classification analyses were performed using a customized SNP chip for POO prediction. To accomplish this, 4,122 pigs originating from 104 farms were genotyped using the SNP chip. Several factors were considered to establish the best prediction model based on these data. We also assessed the applicability of the suggested model using a kinship coefficient-filtering approach. Our results showed that the LogitBoost-based prediction model outperformed other classifiers in terms of classification performance under most conditions. Specifically, a greater level of accuracy was observed when a higher kinship-based cutoff was employed. These results demonstrated the applicability of a machine learning-based approach using SNP chip data for practical traceability.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0139685

DOI: 10.1371/journal.pone.0139685

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