An ensemble of ordered logistic regression and random forest for child garment size matching
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Título
An ensemble of ordered logistic regression and random forest for child garment size matchingFecha de publicación
2016-11Editor
ElsevierCita bibliográfica
PIEROLA, A.; EPIFANIO, I.; ALEMANY, S. An ensemble of ordered logistic regression and random forest for child garment size matching. Computers & Industrial Engineering, 2016, vol. 101, p. 455-465.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0360835216303825Versión
info:eu-repo/semantics/sumittedVersionPalabras clave / Materias
Resumen
Size fitting is a significant problem for online garment shops. The return rates due to size misfit are very high. We propose an ensemble (with an original and novel definition of the weights) of ordered logistic ... [+]
Size fitting is a significant problem for online garment shops. The return rates due to size misfit are very high. We propose an ensemble (with an original and novel definition of the weights) of ordered logistic regression and random forest (RF) for solving the size matching problem, where ordinal data should be classified. These two classifiers are good candidates for combined use due to their complementary characteristics. A multivariate response (an ordered factor and a numeric value assessing the fit) was considered with a conditional random forest. A fit assessment study was carried out with 113 children. They were measured using a 3D body scanner to obtain their anthropometric measurements. Children tested different garments of different sizes, and their fit was assessed by an expert. Promising results have been achieved with our methodology. Two new measures have been introduced based on RF with multivariate responses to gain a better understanding of the data. One of them is an intervention in prediction measure defined locally and globally. It is shown that it is a good alternative to variable importance measures and it can be used for new observations and with multivariate responses. The other proposed tool informs us about the typicality of a case and allows us to determine archetypical observations in each class. [-]
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Computers & Industrial Engineering Volume 101, November 2016Derechos de acceso
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