Package: scorematchingad Title: Score Matching Estimation by Automatic Differentiation Version: 0.1.6 Authors@R: c(person(given = "Kassel Liam", family = "Hingee", email = "kassel.hingee@anu.edu.au", role = c("aut", "cre"), comment = c(ORCID = "0000-0001-9894-2407")), person("Janice", "Scealy", role = c("aut"), comment = c(ORCID = "0000-0002-9718-869X")), person("Bradley M.", "Bell", role = c("cph")) ) Description: Hyvärinen's score matching (Hyvärinen, 2005) is a useful estimation technique when the normalising constant for a probability distribution is difficult to compute. This package implements score matching estimators using automatic differentiation in the 'CppAD' library and is designed for quickly implementing score matching estimators for new models. Also available is general robustification (Windham, 1995) . Already in the package are estimators for directional distributions (Mardia, Kent and Laha, 2016) and the flexible Polynomially-Tilted Pairwise Interaction model for compositional data. The latter estimators perform well when there are zeros in the compositions (Scealy and Wood, 2023) , even many zeros (Scealy, Hingee, Kent, and Wood, 2024) . A partial interface to CppAD's ADFun objects is also available. License: GPL (>=3) Encoding: UTF-8 LazyData: true ByteCompile: true Roxygen: list(markdown = TRUE) RoxygenNote: 7.3.2 Suggests: testthat, ks, movMF, cubature, simdd, numDeriv Depends: R (>= 3.5.0) Imports: RcppEigen (>= 0.3.3.7), MCMCpack, optimx, FixedPoint, Rdpack, Rcpp (>= 1.0.9), methods, stats, utils, rlang (>= 1.1.0) RdMacros: Rdpack LinkingTo: Rcpp (>= 1.0.9), RcppEigen (>= 0.3.3.7) Config/testthat/edition: 3 URL: https://github.com/kasselhingee/scorematchingad BugReports: https://github.com/kasselhingee/scorematchingad/issues Config/pak/sysreqs: cmake Repository: https://kasselhingee.r-universe.dev Date/Publication: 2025-11-30 02:36:34 UTC RemoteUrl: https://github.com/kasselhingee/scorematchingad RemoteRef: HEAD RemoteSha: d508563e8df067807530a0629a3a9f9e76ddf6d9 NeedsCompilation: yes Packaged: 2026-07-24 05:20:27 UTC; root Author: Kassel Liam Hingee [aut, cre] (ORCID: ), Janice Scealy [aut] (ORCID: ), Bradley M. Bell [cph] Maintainer: Kassel Liam Hingee