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A new version of synthpop (synthpop_1.5-0) was added to CRAN on 2018/08/16. Note, you should be running a recent version of R (e.g. 3.5.0) before installing it. Several new features and improvements are included. For example, a fuller range of options in the utility functions, as described in the paper 'General and specific utility measures for synthetic data' published in the Journal of the Royal Statistical Society: Series A. Also synthesis by log-linear models for categorical data is implemented. The method used is iterative proportional fitting, with models defined by the margins they constrain. The appearance of zero cells in the synthesised data is controlled by setting a prior for each cell. See the package NEWS file for more details.