56 mlr.classif.rpart.preproc.preproc.tuned 4542 mlr.classif.rpart.preproc.preproc.tuned 2016-01-09T12:56:42Z Learner mlr.classif.rpart.preproc.preproc.tuned from package(s) rpart. public 0 R_3.3.1-v2.7c71ca8d 1 R_3.3.1, OpenML_1.0, mlr_2.10, rpart_4.1.10 0