R_3.2.5, OpenML_1.0, mlr_2.9, kknn_1.3.1 0 mlr.classif.kknn.preproc.preproc public Learner mlr.classif.kknn.preproc.preproc from package(s) !kknn. 3 2016-01-01T18:28:38Z 0 R_3.2.5-v2.7c73971a 3998 mlr.classif.kknn.preproc.preproc 1