%0 Journal Article %T PARAMETER SELECTION IN LEAST SQUARES-SUPPORT VECTOR MACHINES REGRESSION ORIENTED, USING GENERALIZED CROSS-VALIDATION %A ¨¢LVAREZ MEZA %A ANDR¨¦S M. %A DAZA SANTACOLOMA %A GENARO %A ACOSTA MEDINA %A CARLOS D. %A CASTELLANOS DOM¨ªNGUEZ %A GERM¨¢N %J DYNA %D 2012 %I Universidad Nacional de Colombia %X in this work, a new methodology for automatic selection of the free parameters in the least squares-support vector machines (ls-svm) regression oriented algorithm is proposed. we employ a multidimensional generalized cross-validation analysis in the linear equation system of ls-svm. our approach does not require prior knowledge about the influence of the ls-svm free parameters in the results. the methodology is tested on two artificial and two real-world data sets. according to the results, our methodology computes suitable regressions with competitive relative errors. %K parameter selection %K least squares-support vector machines %K multidimensional generalized cross validation %K regression. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0012-73532012000100003&lng=en&nrm=iso&tlng=en