{ "_id": "6a197ff0acfb0bcc41df855d", "Package": "spaAlign", "Title": "Stratigraphic Plug Alignment for Integrating Plug-Based and XRF\nData", "Version": "0.0.6", "Authors@R": "c(\nperson(given = c(\"Hope\", \"E.\"),\nfamily = \"Omodolor\",\nemail = \"hopeomodolor@gmail.com\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0009-0005-7842-406X\")),\nperson(given = c(\"Jeffrey\", \"M.\"),\nfamily = \"Yarus\",\nrole = \"aut\")\n)", "Description": "Implements the Stratigraphic Plug Alignment (SPA)\nprocedure for integrating sparsely sampled plug-based\nmeasurements (e.g., total organic carbon, porosity, mineralogy)\nwith high-resolution X-ray fluorescence (XRF) geochemical data.\nSPA uses linear interpolation via the base approx() function\nwith constrained extrapolation (rule = 1) to preserve\nstratigraphic order and avoid estimation beyond observed\ndepths. The method aligns all datasets to a common depth grid,\nenabling high-resolution multivariate analysis and\nstratigraphic interpretation of core-based datasets such as\nthose from the Utica and Point Pleasant formations. See R Core\nTeam (2025)\n\nand Omodolor (2025)\n\nfor methodological background and geological context.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.3", "Config/testthat/edition": "3 knitr, rmarkdown", "VignetteBuilder": "knitr", "URL": "https://omodolor.github.io/spaAlign/\nhttps://github.com/Omodolor/spaAlign", "Repository": "https://omodolor.r-universe.dev", "Date/Publication": "2026-01-29 04:09:19 UTC", "RemoteUrl": "https://github.com/omodolor/spaalign", "RemoteRef": "HEAD", "RemoteSha": "8b19fe42d1836db42a5507bbe5ccb2bc90747967", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-29 11:31:58 UTC", "User": "root" }, "Author": "Hope E. Omodolor [aut, cre] (ORCID:\n),\nJeffrey M. Yarus [aut]", "Maintainer": "Hope E. 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