R_3.2.3-v2.1c1ec031 2016-01-06T16:37:02Z R_3.2.3, OpenML_1.0, mlr_2.9, kknn_1.3.0 2 mlr.classif.kknn.preproc mlr.classif.kknn.preproc 4008 0 0 Learner mlr.classif.kknn.preproc from package(s) !kknn. 0 public