{
  "_id": "6a5758feff0138dec5d70b6d",
  "Package": "ume",
  "Title": "Ultrahigh-Resolution Mass Spectrometry Data Evaluation for\nComplex Organic Matter",
  "Version": "1.7.1",
  "Authors@R": "c(\nperson(\"Boris\", \"Koch\",\nemail = \"boris.koch@awi.de\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0002-8453-731X\")),\nperson(\"Stephan\", \"Frickenhaus\",\nrole = \"ctb\",\ncomment = c(ORCID = \"0000-0002-0356-9791\")),\nperson(\"Shuxian\", \"Gao\",\nrole = \"ctb\",\ncomment = c(ORCID = \"0009-0004-7819-7525\")),\nperson(\"Oliver\", \"Lechtenfeld\",\nrole = \"ctb\",\ncomment = c(ORCID = \"0000-0001-5313-6014\")),\nperson(\"Tim\", \"Leefmann\",\nrole = \"ctb\",\ncomment = c(ORCID = \"0000-0002-5784-8657\")),\nperson(\"Fabian\", \"Moye\",\nrole = \"ctb\",\ncomment = c(ORCID = \"0000-0002-4632-5033\"))\n)",
  "Description": "Provides tools for assigning molecular formulas from exact\nmasses obtained by ultrahigh-resolution mass spectrometry. The\nmethodology follows the workflow described in Leefmann et al.\n(2019) <doi:10.1002/rcm.8315>. The package supports the\ninspection, filtering and visualization of molecular formula\ndata and includes utilities for calculating common molecular\nparameters (e.g., double bond equivalents, DBE). A graphical\nuser interface is available via the 'shiny'-based 'ume'\napplication.",
  "URL": "https://gitlab.awi.de/bkoch/ume, https://github.com/boriskoch/ume,\nhttps://doi.org/10.5281/zenodo.20108477,\nhttps://www.awi.de/en/ume",
  "License": "MIT + file LICENSE",
  "Encoding": "UTF-8",
  "LazyData": "true",
  "LazyDataCompression": "xz",
  "Roxygen": "list(markdown = TRUE)",
  "VignetteBuilder": "knitr",
  "Config/testthat/edition": "3",
  "Config/roxygen2/version": "8.0.0",
  "RoxygenNote": "8.0.0",
  "Config/pak/sysreqs": "cmake make libicu-dev libuv1-dev libssl-dev",
  "Repository": "https://boriskoch.r-universe.dev",
  "Date/Publication": "2026-07-13 20:38:37 UTC",
  "RemoteUrl": "https://github.com/boriskoch/ume",
  "RemoteRef": "HEAD",
  "RemoteSha": "e59b8eb447e140c8c3c4e4349eace4786fe380b0",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-07-15 09:49:39 UTC",
    "User": "root"
  },
  "Author": "Boris Koch [aut, cre] (ORCID: <https://orcid.org/0000-0002-8453-731X>),\nStephan Frickenhaus [ctb] (ORCID:\n<https://orcid.org/0000-0002-0356-9791>),\nShuxian Gao [ctb] (ORCID: <https://orcid.org/0009-0004-7819-7525>),\nOliver Lechtenfeld [ctb] (ORCID:\n<https://orcid.org/0000-0001-5313-6014>),\nTim Leefmann [ctb] (ORCID: <https://orcid.org/0000-0002-5784-8657>),\nFabian Moye [ctb] (ORCID: <https://orcid.org/0000-0002-4632-5033>)",
  "Maintainer": "Boris Koch <boris.koch@awi.de>",
  "_user": "boriskoch",
  "_type": "src",
  "_file": "ume_1.7.1.tar.gz",
  "_fileid": "https://r2.ropensci.org/511d6280456fd2d750175e0712336695fdea1e5e9a8fa255fa8c0f0764d99d4b",
  "_filesize": 3890380,
  "_sha256": "511d6280456fd2d750175e0712336695fdea1e5e9a8fa255fa8c0f0764d99d4b",
  "_expires": "2026-10-23T09:55:07.000Z",
  "_created": "2026-07-15T09:49:39.000Z",
  "_published": "2026-07-15T09:55:10.513Z",
  "_jobs": [
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  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/boriskoch/actions/runs/29405648306",
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    "author": "Boris Peter Koch <bkoch@awi.de>",
    "committer": "Boris Peter Koch <bkoch@awi.de>",
    "message": "Prepare UME 1.7.1 CRAN candidate\n",
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  "_maintainer": {
    "name": "Boris Koch",
    "email": "boris.koch@awi.de",
    "orcid": "0000-0002-8453-731X"
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  "_contributors": [
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  "_downloads": {
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/ume"
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  "_devurl": "https://github.com/boriskoch/ume",
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  "_rbuild": "4.6.1",
  "_assets": [
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    "extra/citation.html",
    "extra/citation.json",
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    "extra/contents.json",
    "extra/NEWS.html",
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    "extra/readme.md",
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    "manual.pdf"
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  "_homeurl": "https://github.com/boriskoch/ume",
  "_realowner": "boriskoch",
  "_cranurl": true,
  "_releases": [
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      "version": "1.5.2",
      "date": "2025-12-12"
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      "date": "2026-05-09"
    },
    {
      "version": "1.7.1",
      "date": "2026-07-14"
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  ],
  "_exports": [
    "add_known_mf",
    "add_missing_element_columns",
    "as_mfd",
    "as_peaklist",
    "as_ume_matrix",
    "assign_formulas",
    "calc_data_summary",
    "calc_dbe",
    "calc_eval_params",
    "calc_exact_mass",
    "calc_ideg",
    "calc_isotope_pattern",
    "calc_iterr",
    "calc_logratio",
    "calc_ma",
    "calc_ma_abs",
    "calc_neutral_mass",
    "calc_nm",
    "calc_norm_int",
    "calc_number_assignment",
    "calc_pielou_evenness",
    "calc_recalibrate_ms",
    "calc_shannon_index",
    "calc_simpson_index",
    "check_neutral_mf",
    "classify_files",
    "color.palette",
    "convert_data_table_to_molecular_formulas",
    "convert_molecular_formula_to_data_table",
    "create_custom_formula_library",
    "create_isotope_expanded_table",
    "create_time_flattened_mfd",
    "create_ume_formula_library",
    "download_library",
    "eval_isotopes",
    "filter_int",
    "filter_mass_accuracy",
    "filter_mf_data",
    "filter_multi_assignments",
    "get_isotope_info",
    "inchi_to_mf",
    "is_ume_peaklist",
    "order_columns",
    "remove_blanks",
    "remove_empty_columns",
    "subset_known_mf",
    "theme_uplots",
    "ume_assign_formulas",
    "ume_filter_formulas",
    "uplot_cluster",
    "uplot_cvm",
    "uplot_dbe_minus_o_freq",
    "uplot_dbe_vs_c",
    "uplot_dbe_vs_ma",
    "uplot_freq",
    "uplot_freq_ma",
    "uplot_freq_vs_ppm",
    "uplot_hc_vs_m",
    "uplot_heteroatoms",
    "uplot_isotope_precision",
    "uplot_kmd",
    "uplot_lcms",
    "uplot_ma_vs_mz",
    "uplot_ms",
    "uplot_n_mf_per_sample",
    "uplot_pca",
    "uplot_ratios",
    "uplot_reproducibility",
    "uplot_ri_vs_sample",
    "uplot_vk",
    "ustats_outlier",
    "zero_filling"
  ],
  "_datasets": [
    {
      "name": "known_mf",
      "title": "Collection of known formulas, for which additional information is available.",
      "object": "known_mf",
      "class": [
        "data.table",
        "data.frame"
      ],
      "fields": [
        "mf_kf_id",
        "mf",
        "category",
        "info1",
        "info2",
        "info3",
        "info4",
        "reference",
        "mass"
      ],
      "rows": 302476,
      "table": true,
      "tojson": true
    },
    {
      "name": "lib_demo",
      "title": "Demo formula library (200 - 300 Da, neutral mass)",
      "object": "lib_demo",
      "class": [
        "data.table",
        "data.frame"
      ],
      "fields": [
        "vkey",
        "mf",
        "mass",
        "12C",
        "13C",
        "1H",
        "14N",
        "15N",
        "16O",
        "31P",
        "32S",
        "34S"
      ],
      "rows": 115111,
      "table": true,
      "tojson": true
    },
    {
      "name": "masses",
      "title": "Masses: Elements and isotopes",
      "object": "masses",
      "class": [
        "data.table",
        "data.frame"
      ],
      "fields": [
        "label",
        "symbol",
        "nm",
        "exact_mass",
        "mole_fraction",
        "relative_abundance",
        "valence",
        "valence2",
        "hill_order"
      ],
      "rows": 288,
      "table": true,
      "tojson": true
    },
    {
      "name": "mf_data_demo",
      "title": "mf_data_demo",
      "object": "mf_data_demo",
      "class": [
        "data.table",
        "data.frame"
      ],
      "fields": [
        "file_id",
        "file",
        "peak_id",
        "mz",
        "i_magnitude",
        "norm_int",
        "m",
        "m_cal",
        "ppm",
        "nm",
        "mf",
        "dbe",
        "12C",
        "1H",
        "14N",
        "16O",
        "31P",
        "32S",
        "hc",
        "oc",
        "nc",
        "sc",
        "ai",
        "z",
        "kmd",
        "ppm_filt",
        "mf_id",
        "int15n",
        "int34s",
        "int13c",
        "s_n",
        "res",
        "del",
        "dev_n_c",
        "dbe_o",
        "nosc",
        "delg0_cox",
        "relint13c_calc",
        "int13c_calc",
        "relint34s_calc",
        "int34s_calc",
        "snp_check",
        "nsp_type",
        "co_tot",
        "nsp_tot",
        "n_occurrence_orig",
        "n_assignments_orig",
        "int_bp",
        "n_assignments",
        "int_ref"
      ],
      "rows": 9245,
      "table": true,
      "tojson": true
    },
    {
      "name": "peaklist_demo",
      "title": "Demo peak list",
      "object": "peaklist_demo",
      "class": [
        "data.table",
        "data.frame"
      ],
      "fields": [
        "file_id",
        "file",
        "peak_id",
        "mz",
        "i_magnitude",
        "s_n",
        "res"
      ],
      "rows": 31091,
      "table": true,
      "tojson": true
    },
    {
      "name": "ume_logo_raster",
      "title": "Internal raster of the UME logo",
      "object": "ume_logo_raster",
      "class": [
        "array"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ume_name_dictionary",
      "title": "UME name dictionary",
      "object": "ume_name_dictionary",
      "class": [
        "data.table",
        "data.frame"
      ],
      "fields": [
        "source_system",
        "source_name",
        "label",
        "synonym_name",
        "nice_label",
        "semantic_type",
        "target",
        "priority",
        "unit"
      ],
      "rows": 60,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "add_known_mf",
      "title": "Add metainformation derived from ume::known_mf",
      "concept": [
        "Formula assignment"
      ],
      "topics": [
        "add_known_mf"
      ]
    },
    {
      "page": "add_missing_element_columns",
      "title": "Add Missing Isotope Columns to mfd",
      "concept": [
        "tools"
      ],
      "topics": [
        "add_missing_element_columns"
      ]
    },
    {
      "page": "as_mfd",
      "title": "Coerce input to UME molecular formula data",
      "concept": [
        "check ume objects"
      ],
      "topics": [
        "as_mfd"
      ]
    },
    {
      "page": "as_peaklist",
      "title": "Check format of peaklist",
      "concept": [
        "check ume objects"
      ],
      "topics": [
        "as_peaklist"
      ]
    },
    {
      "page": "as_ume_matrix",
      "title": "Convert molecular formula data to a feature matrix",
      "topics": [
        "as_ume_matrix"
      ]
    },
    {
      "page": "assign_formulas",
      "title": "Molecular Formula Assignment",
      "topics": [
        "assign_formulas"
      ]
    },
    {
      "page": "calc_data_summary",
      "title": "Create a Data Summary Table for Element Ratios and Parameters",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_data_summary"
      ]
    },
    {
      "page": "calc_dbe",
      "title": "Calculate Double Bond Equivalent (DBE)",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_dbe"
      ]
    },
    {
      "page": "calc_eval_params",
      "title": "Calculate UME Evaluation Parameters",
      "concept": [
        "Formula assignment",
        "calculations"
      ],
      "topics": [
        "calc_eval_params"
      ]
    },
    {
      "page": "calc_exact_mass",
      "title": "Calculate Exact Monoisotopic Mass of a Molecule",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_exact_mass"
      ]
    },
    {
      "page": "calc_ideg",
      "title": "Calculate Degradation Index (Ideg)",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_ideg"
      ]
    },
    {
      "page": "calc_isotope_pattern",
      "title": "Calculate Isotope Pattern",
      "concept": [
        "isotopes"
      ],
      "topics": [
        "calc_isotope_pattern"
      ]
    },
    {
      "page": "calc_iterr",
      "title": "Calculate terrestrial indeces Iterr and Iterr2 (after Medeiros et al. 2016)",
      "concept": [
        "index calculations"
      ],
      "topics": [
        "calc_iterr"
      ]
    },
    {
      "page": "calc_logratio",
      "title": "calc_logratio",
      "topics": [
        "calc_logratio"
      ]
    },
    {
      "page": "calc_ma",
      "title": "Calculate mass accuracy",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_ma"
      ]
    },
    {
      "page": "calc_ma_abs",
      "title": "Calculate absolute mass accuracy range (ma)",
      "topics": [
        "calc_ma_abs"
      ]
    },
    {
      "page": "calc_neutral_mass",
      "title": "Calculate neutral molecular mass",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_neutral_mass"
      ]
    },
    {
      "page": "calc_nm",
      "title": "Calculate Nominal Mass of a Molecule",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_nm"
      ]
    },
    {
      "page": "calc_norm_int",
      "title": "Calculate Normalized Peak Intensities",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_norm_int"
      ]
    },
    {
      "page": "calc_number_assignment",
      "title": "Calculate Number of Molecular Formula Assignments per Peak",
      "concept": [
        "calculations"
      ],
      "topics": [
        "calc_number_assignment"
      ]
    },
    {
      "page": "calc_pielou_evenness",
      "title": "Calculate Pielou's Evenness",
      "topics": [
        "calc_pielou_evenness"
      ]
    },
    {
      "page": "calc_shannon_index",
      "title": "Calculate the Shannon Diversity Index",
      "topics": [
        "calc_shannon_index"
      ]
    },
    {
      "page": "calc_simpson_index",
      "title": "Calculate the Simpson Diversity Index",
      "topics": [
        "calc_simpson_index"
      ]
    },
    {
      "page": "calc_time_flattened_mfd",
      "title": "Create a time-flattened molecular formula data table",
      "topics": [
        "calc_time_flattened_mfd",
        "create_time_flattened_mfd"
      ]
    },
    {
      "page": "check_neutral_mf",
      "title": "Check neutral molecular formulas",
      "concept": [
        "molecular formula functions"
      ],
      "topics": [
        "check_neutral_mf"
      ]
    },
    {
      "page": "classify_files",
      "title": "Classify FTMS files into categories based on filename patterns",
      "concept": [
        "helper"
      ],
      "topics": [
        "classify_files"
      ]
    },
    {
      "page": "color.palette",
      "title": "Create a Custom Interpolated Color Palette",
      "topics": [
        "color.palette"
      ]
    },
    {
      "page": "convert_data_table_to_molecular_formulas",
      "title": "Convert Data Table with Element Counts to Molecular Formulas",
      "concept": [
        "molecular formula functions"
      ],
      "topics": [
        "convert_data_table_to_molecular_formulas"
      ]
    },
    {
      "page": "convert_molecular_formula_to_data_table",
      "title": "Convert Molecular Formulas to a Data Table of Element Counts",
      "concept": [
        "molecular formula functions"
      ],
      "topics": [
        "convert_molecular_formula_to_data_table"
      ]
    },
    {
      "page": "create_isotope_expanded_table",
      "title": "Create an Expanded Table of Parent and Isotope Daughter Formulas",
      "concept": [
        "isotopes"
      ],
      "topics": [
        "create_isotope_expanded_table"
      ]
    },
    {
      "page": "create_ume_formula_library",
      "title": "Create a molecular formula library for UME",
      "topics": [
        "create_ume_formula_library"
      ]
    },
    {
      "page": "download_library",
      "title": "Download and Load a UME Formula Library",
      "topics": [
        "download_library"
      ]
    },
    {
      "page": "eval_isotopes",
      "title": "Evaluate isotope information",
      "concept": [
        "Formula assignment",
        "isotopes"
      ],
      "topics": [
        "eval_isotopes"
      ]
    },
    {
      "page": "filter_int",
      "title": "Filter by (relative) peak magnitude",
      "concept": [
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      "topics": [
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    },
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        "ume wrapper"
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      "source": "ume.Rmd",
      "filename": "ume.html",
      "title": "ume",
      "author": "Boris Koch",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Getting started",
        "1. Overview UME data workflow",
        "All of these tasks can be executed in just two steps:",
        "Formula assignment and calculation of evaluation parameters",
        "Formula filtering (subsetting) and normalization",
        "Alternatively, the workflow can be performed in single steps:",
        "2. Visualization and statistics",
        "3. Re-calibration of peaklists",
        "4. UME core data objects",
        "Mass Peak List",
        "Isotopic masses",
        "Molecular formula library",
        "Using Pre-defined UME Formula Libraries",
        "Create your own molecular formula library",
        "Molecular formula data",
        "5. What else can you do with ume?",
        "Calculate standard parameters",
        "Converting molecular formulas to a table and vice versa.",
        "Isotopes",
        "Create isotope formulas for a parent formula",
        "Create isotope pattern for a molecular formula",
        "6. Package content and documentation",
        "Github for public releases of R code",
        "All package versions on Zenodo",
        "Which version is installed and loaded?",
        "What is new?",
        "Complete manual",
        "7. UME installation",
        "8. UME shiny app"
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      "created": "2026-05-09 20:24:19",
      "modified": "2026-07-13 20:38:37",
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