0 1 mlr.classif.kknn.preproc 3995 R_3.2.5-v2.6f9a0100 Learner mlr.classif.kknn.preproc from package(s) !kknn. R_3.2.5, OpenML_1.0, mlr_2.9, kknn_1.3.1 0 2016-01-01T18:28:38Z 0 mlr.classif.kknn.preproc public