ei.Datasets: Real Datasets for Assessing Ecological Inference Algorithms Copyright (C) 2021. Jose M. Pavía. This package is free software and comes WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. This package is distributed because we find it useful. You can redistribute it and/or modify it under the terms of the EPL Eclipse Public License - v 1.0, for more details: The data contained in this package is distributed under license: Attribution 4.0 International (CC BY 4.0), for more details: . The raw data from 2002, 2005, 2008, 2011, 2014 and 2017 NZ elections were downloaded from , the official website of The New Zealand Electoral Commission, on 19th/January/2019. The raw data from 2020 NZ elections were downloaded from the same site on 23rd/January/2021. Caveat and disclaimer Neither the New Zealand Electoral Commission nor the Electoral Commission (UK) had an involvement in preparing this package. They bear no responsibility on the datasets in the package. The raw data have been pre-processed in order to guarantee their proper usefulness in ecological inference procedures. For the official results, refer to the source materials on their websites. In case you have any problems or questions, please contact: Jose Manuel Pavía GIPEyOP / UMMICS / Universitat de Valencia Av Tarongers, s/n Valencia, 46022 Spain email: jose.m.pavia@uv.es