mlr.classif.kknn.preproc mlr.classif.kknn.preproc R_3.2.0-v2.f27af550 7 Learner mlr.classif.kknn.preproc from package(s) !kknn. 0 R_3.2.0, OpenML_1.3, mlr_2.11, kknn_1.3.1 2017-01-11T13:27:55Z 5715 57 public 0