This work was created by participants in the DataONE project, and is jointly copyrighted by participating institutions in DataONE. For more information on DataONE, see our web site at http://dataone.org. The dataone R package is copyright; Copyright (C) 2011-2016 Regents of the University of California Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.