The function "doRNAclass.m" generates the discriminant values for all the mutants. This function calls "kdeClass.m" and "loocv.m". The function "kdeClass.m" calls "kde.m" which is distributed separately. The function "kde.m" is available for download at: http://www.gatsby.ucl.ac.uk/~edward/code/kde http://www.tuebingen.mpg.de/~carl/code/kde