felix goldberg crvplztechunixtechnionacil well use pca standard tool course depending problem nature quality features results may range great catastrophic case thats id try first another option would ica need satisfy additional statistical assumptions work worth giving try anyway kernel versions pca ica around havent specified language working ill suggest implementations matlab im best familiar pca builtin least recent versions matlab also google nice free toolbox called sprtool ii ica google free toolbox fastica wish discuss question feel free mail best regards felix felix goldberg msc crvplztxtechnionacil wwwtechnionacilfelixg wed 25 may 2005 estevam rafael hruschka junior wrote dear im performing clustering task need reduce amount dataset features attributes looking feature selection tool ive faced packages classification class information dataset able use know free feature selection software clustering tasks thank much advance best regards estevam _______________________ estevam rafael hruschka junior phd departamento de computação universidade federal de são carlos dcufscar rod washington luiz km 235 caixa postal po box 676 13565905 são carlos sp brazil phone 55 16 33518608 httpwwwdcufscarbrestevam uai mailing list wed 06 aug 2008 142335 0300 uai feature selection clustering