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diff --git a/var/spack/repos/builtin/packages/r-mlr/package.py b/var/spack/repos/builtin/packages/r-mlr/package.py
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+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class RMlr(RPackage):
+    """Interface to a large number of classification and regression techniques,
+       including machine-readable parameter descriptions. There is also an
+       experimental extension for survival analysis, clustering and general,
+       example-specific cost-sensitive learning. Generic resampling,
+       including cross-validation, bootstrapping and subsampling.
+       Hyperparameter tuning with modern optimization techniques,
+       for single- and multi-objective problems. Filter and wrapper methods for
+       feature selection. Extension of basic learners with additional
+       operations common in machine learning, also allowing for easy nested
+       resampling. Most operations can be parallelized."""
+
+    homepage = "https://github.com/mlr-org/mlr/"
+    url      = "https://cran.r-project.org/src/contrib/mlr_2.12.1.tar.gz"
+    list_url = "https://cran.r-project.org/src/contrib/Archive/mlr"
+
+    version('2.12.1', 'abddfc9dfe95f290a233ecd97969a4ec')
+    version('2.12', '94ee7495aeafb432c8af5a8bdd26c25f')
+
+    depends_on('r-paramhelpers@1.10:', type=('build', 'run'))
+    depends_on('r-bbmisc@1.11:', type=('build', 'run'))
+    depends_on('r-backports@1.1.0:', type=('build', 'run'))
+    depends_on('r-ggplot2', type=('build', 'run'))
+    depends_on('r-stringi', type=('build', 'run'))
+    depends_on('r-checkmate@1.8.2:', type=('build', 'run'))
+    depends_on('r-data-table', type=('build', 'run'))
+    depends_on('r-parallelmap@1.3:', type=('build', 'run'))
+    depends_on('r-xml', type=('build', 'run'))