sparta Trend Analysis for Unstructured Data

The Sparta package includes methods used to analyse trends in unstructured occurrence datasets. Methods included in the package include Frescalo, Telfer's change index, Reporting rate models and Bayesian Occupancy models. These methods are reviewed in Issac et al (2014), available at http://onlinelibrary.wiley.com/doi/10.1111/2041-210X.12254/abstract