0 1 R_3.2.3-v2.90698b37 0 mlr.classif.kknn.preproc.preproc public R_3.2.3, OpenML_1.0, mlr_2.9, kknn_1.3.1 7 mlr.classif.kknn.preproc.preproc 2016-01-21T16:28:27Z Learner mlr.classif.kknn.preproc.preproc from package(s) !kknn. 4088