Package: grattan Type: Package Title: Australian Tax Policy Analysis Version: 2026.3.1 Date: 2026-03-27 Authors@R: c(person("Hugh", "Parsonage", role = c("aut", "cre"), email = "hugh.parsonage@gmail.com"), person("Tim", "Cameron", role = "aut"), person("Brendan", "Coates", role = "aut"), person("Matthew", "Katzen", role = "aut"), person("William", "Young", role = "aut"), person("Ittima", "Cherastidtham", role = "dtc"), person("W.", "Karsten", role = "ctb"), person("M.", "Enrique Garcia", role = "ctb"), person("Matt", "Cowgill", role = "aut")) Maintainer: Hugh Parsonage URL: https://github.com/HughParsonage/grattan, https://hughparsonage.github.io/grattan/ BugReports: https://github.com/HughParsonage/grattan/issues Description: Utilities to cost and evaluate Australian tax policy, including fast projections of personal income tax collections, high-performance tax and transfer calculators, and an interface to common indices from the Australian Bureau of Statistics. Written to support Grattan Institute's Australian Perspectives program, and related projects. Access to the Australian Taxation Office's sample files of personal income tax returns is assumed. Depends: R (>= 3.5.0) License: GPL-2 Imports: checkmate, data.table, grattanInflators (>= 0.4.0), hutils (>= 1.3.0), hutilscpp (>= 0.9.0), ineq (>= 0.2-10), fastmatch, forecast, fy (>= 0.2.0), assertthat (>= 0.1), magrittr (>= 1.5), utils, RoxygenNote: 7.3.3 Suggests: curl, fst (>= 0.8.4), knitr, rlang, rmarkdown, survey, testthat, tibble, yaml, withr, covr LazyData: true Encoding: UTF-8 Repository: https://hughparsonage.r-universe.dev Date/Publication: 2026-03-26 07:40:06 UTC RemoteUrl: https://github.com/hughparsonage/grattan RemoteRef: HEAD RemoteSha: 620c7d0117d3d385ffdb9e851401957452d9c0db NeedsCompilation: yes Packaged: 2026-06-10 06:22:40 UTC; root Author: Hugh Parsonage [aut, cre], Tim Cameron [aut], Brendan Coates [aut], Matthew Katzen [aut], William Young [aut], Ittima Cherastidtham [dtc], W. Karsten [ctb], M. Enrique Garcia [ctb], Matt Cowgill [aut]