Standardize Data Science Workflows R package mortar version 0.4.0 Helper functions to standardizes common workflows in the USGS Data Science Community of Practice to produce more robust, reproducible pipelines. It contains helper functions to standardize (1) the organization of project repositories and (2) the creation ofpipelines from the 'targets' R Package (Landau et al. (2026) <doi:10.5281/zenodo.18555866>), using the DS CoP best practices. We draw upon community developed best practices as well as certain USGS-specific requirements. See Shrycock et al. (2023) <doi:10.3133/tm7B2> for examples of these USGS requirements. Software Imports: cli, gert, glue, purrr, R.utils, rlang, usethis Suggests: knitr, renv, rmarkdown, stringr, tarchetypes, targets, testthat (>= 3.0.0), withr Anthony Martinez <ajmartinez@usgs.gov> Comprehensive R Archive Network (CRAN) Joseph Zemmels [aut] (ORCID: <https://orcid.org/0009-0008-1463-6313>), Anthony Martinez [aut, cre] (ORCID: <https://orcid.org/0000-0002-4295-0261>), Jesse Ross [ctb] (ORCID: <https://orcid.org/0000-0002-5422-8284>) CC0 2026-04-28 application/tgz https://CRAN.R-project.org/package=mortar doi:10.32614/CRAN.package.mortar