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A methodology to find the best classifier in business decision

José C. Vega Vilca and David A. Torres Núñez

Revista de Ciencias Económicas, 2015, vol. 33, issue 1

Abstract: In this research, a methodology is presented to improve strategies of analysis in situations where supervised classification becomes the fundamental tool for business decision. The need to categorize the new customers into one of several groups, according to the characteristics of the subject, is analyzed through the calculation of the error rate. Programs were written using the statistical software package R, to calculate the error rate of each of nine classifiers, using cross-validation method 10 (Stone, 1974), in the 50 permutations of the data under consideration. For each of the analyzed data sets it was demonstrated, through ANOVA, that there are indeed significant differences in the average error rates of classifiers (p=0.00); therefore, it is concluded that the best classifier is the one with the lowest error rate.

Keywords: SUPERVISED CLASSIFICATION; CROSS VALIDATION; ERROR RATE; CUSTOMER; STATISTICAL DECISION; MULTIVARIATE ANALYSIS; CLASIFICACIÓN SUPERVISADA; VALIDACIÓN CRUZADA; TASA DE ERROR; CLIENTE; DECISIÓN ESTADÍSTICA; ANÁLISIS MULTIVARIABLE (search for similar items in EconPapers)
JEL-codes: A (search for similar items in EconPapers)
Date: 2015
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