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Información tecnológica

On-line version ISSN 0718-0764

Abstract

LIMON, Jorge; RODRIGUEZ, Manuel A; BAEZ, Yolanda A  and  TLAPA, Diego A. A robustness evaluation of the Mahalanobis-Taguchi System to different Factorial Arrays . Inf. tecnol. [online]. 2011, vol.22, n.4, pp.85-96. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642011000400010.

The robustness of the Mahalanobis-Taguchi System to different arrays that could be used to discriminate variables in a study, is evaluated.. For this, different levels of fractional factorial design 2 9 were used, as well as all possible fractions for each level to find out if the results varied depending on the array utilized. For this analysis the Wisconsin´s breast cancer data reported in a publication were used, in which, an orthogonal array L12 was employed. In this work, the analysis was performed with 29- k designs (k = 0,1,2,3,4 and 5) and all the possible fractions for each value of k generated using the software Minitab 15 and a Matlab program was generated. The results showed that this method is not robust to the different arrays that could be used.

Keywords : robustness; Mahalanobis-Taguchi system; factorial design; orthogonal array.

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