{
  "_id": "6ad13ddf0edca5be25021afd",
  "Package": "quantMSImageR",
  "Title": "Processing and Quantification of Targeted Mass Spectrometry\nImaging Data",
  "Version": "0.99.10",
  "Authors@R": "person(c(\"Matthew\", \"J.\"), \"Smith\", , \"mattyjsmith123@gmail.com\", role = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0002-7357-2670\"))",
  "Description": "Implements tools for processing and quantifying targeted\nDESI-MRM mass spectrometry imaging (MSI) datasets, extending\nthe Cardinal package. Includes signal-to-noise filtering\nagainst background pixels, tissue/background separation,\nper-feature ion images, quantile heatmaps, quantification\nagainst on-slide or on-tissue calibration standards, and batch\nexport of per-feature text images for external viewers.",
  "License": "MIT + file LICENSE",
  "URL": "https://mjs-708.github.io/quantMSImageR,\nhttps://github.com/MJS-708/quantMSImageR",
  "BugReports": "https://github.com/MJS-708/quantMSImageR/issues",
  "biocViews": "Software, MassSpectrometry, ImagingMassSpectrometry,\nMetabolomics, Lipidomics, QualityControl, Normalization,\nVisualization",
  "Encoding": "UTF-8",
  "Roxygen": "list(markdown = TRUE)",
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  "Config/testthat/edition": "3",
  "Collate": "'setClasses.R' 'accessors.R' 'alignFeatures.R' 'applySNR.R'\n'back2NA.R' 'bindPanels.R' 'blockCentre.R' 'buildFeatureMeta.R'\n'combineMSIs.R' 'contributionHm.R' 'createCalCurve.R'\n'createMSIDataMatrix.R' 'generateTxtImages.R' 'imageR.R'\n'int2SNR.R' 'int2conc.R' 'int2response.R' 'join_ion_library.R'\n'labelROIs.R' 'palettes.R' 'plotCalCoverage.R'\n'quantMSImageR-package.R' 'quantileHm.R' 'readMRM.R'\n'removeBlankMzs.R' 'runExample.R' 'runStudy.R'\n'selectTissuePixels.R' 'stitchAcquisitions.R'\n'summariseCalLevels.R' 'trimMSI.R' 'validate.R' 'zero2NA.R'",
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  "Config/pak/sysreqs": "cmake make libicu-dev libpng-dev libuv1-dev perl",
  "Repository": "https://bioc.r-universe.dev",
  "Date/Publication": "2026-10-15 17:12:57 UTC",
  "RemoteUrl": "https://github.com/bioc/quantMSImageR",
  "RemoteRef": "HEAD",
  "RemoteSha": "d1987f264383c7995d80b8a3679670ddb1d9e366",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-10-15 20:39:23 UTC",
    "User": "root"
  },
  "Author": "Matthew J. Smith [aut, cre] (ORCID:\n<https://orcid.org/0000-0002-7357-2670>)",
  "Maintainer": "Matthew J. Smith <mattyjsmith123@gmail.com>",
  "_user": "bioc",
  "_type": "src",
  "_file": "quantMSImageR_0.99.10.tar.gz",
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  "_expires": "2027-01-23T20:55:56.000Z",
  "_created": "2026-10-15T20:39:23.000Z",
  "_published": "2026-10-15T20:55:59.750Z",
  "_buildurl": "https://github.com/r-universe/bioc/actions/runs/38802985245",
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  "_commit": {
    "id": "d1987f264383c7995d80b8a3679670ddb1d9e366",
    "author": "Matthew Smith <matthew.smith@ki.se>",
    "committer": "Matthew Smith <matthew.smith@ki.se>",
    "message": "Version 0.99.10: blocking, per-block ion images, stitch overlap\n\nCorrect a study for a factor that is not the comparison -- the patient a\npaired set of treatments came from, the sex of an animal, the slide an\nacquisition sat on.\n\n* `block:` names that factor per sample, beside the `group:` being compared.\n  `parameters: block_centre:` decides what to do about it: `center` divides\n  each feature by the block's own geometric mean, `baseline` by its\n  `baseline_group` arm so a value reads as a fold change against its own\n  control. `off` is the default, so declaring a block changes no number on\n  its own. The correction is multiplicative, so a block's gain goes and the\n  size of its response stays. It reaches the heatmaps and the comparison\n  plots; the ion images stay uncorrected, because an image should show the\n  intensity that was measured. A corrected report says so and gains\n  `blocked` in its filename. `blockCentre()` is exported.\n\n* `output: ion_images:` collects the display settings every image in the\n  report shares. `percentile:` is the cap -- previously the animation was\n  fixed at 95, the dropdown computed its own, and the concentration images\n  silently took 99. `scale_within:` gives each block its own colour scale,\n  drawn as one column per block with its groups as rows and replicates\n  across, each column stating the value it is capped at.\n\n* `stitchAcquisitions(overlap = )` and `parameters: stitch_overlap:` for\n  pieces of one tissue that share a strip. `error` stays the default.\n\n* `fData()` carries `collision_eV` and `cone_V`, so the feature table tells\n  two transitions apart without a trip to the raw data.\n\n* A sample's group is given by `group:` rather than `label:`, and\n  `baseline_label:` by `baseline_group:`. Both old names keep working and\n  `validateConfig()` says how many samples still use them.\n\n* `heatmap_style: auto` no longer picks the contribution heatmap when the\n  z-score behind it cannot resolve anything: that score is taken within a",
    "time": 1792084377
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  "_exports": [
    "alignFeatures",
    "applySNR",
    "back2NA",
    "bindPanels",
    "blockCentre",
    "buildFeatureMeta",
    "calibrationData",
    "calibrationData<-",
    "calibrationDiagnostics",
    "calibrationInfo",
    "calibrationLevels",
    "calibrationMetadata",
    "calibrationModels",
    "calibrationModels<-",
    "calibrationR2",
    "combineMSIs",
    "contributionHm",
    "createCalCurve",
    "createMSIDataMatrix",
    "generateTxtImages",
    "imageR",
    "int2conc",
    "int2response",
    "int2SNR",
    "labelROIs",
    "plotCalCoverage",
    "quant_MSImagingExperiment",
    "quantileHm",
    "quantPalettes",
    "readMRM",
    "removeBlankMzs",
    "runExample",
    "runStudy",
    "selectTissuePixels",
    "show",
    "stitchAcquisitions",
    "summariseCalLevels",
    "tissueData",
    "tissueInfo",
    "tissueMatrix",
    "trimMSI",
    "validateConfig",
    "zero2NA"
  ],
  "_help": [
    {
      "page": "alignFeatures",
      "title": "Align two MSI objects to their common features",
      "concept": [
        "combining acquisitions"
      ],
      "topics": [
        "alignFeatures"
      ]
    },
    {
      "page": "applySNR-quant_MSImagingExperiment-method",
      "title": "Apply SNR mask to intensity values",
      "concept": [
        "filtering"
      ],
      "topics": [
        "applySNR",
        "applySNR,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "back2NA-quant_MSImagingExperiment-method",
      "title": "Set background pixel intensities to NA",
      "concept": [
        "filtering"
      ],
      "topics": [
        "back2NA",
        "back2NA,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "bindPanels",
      "title": "Merge two MSI objects of the same tissue by coordinate-matched rbind",
      "concept": [
        "combining acquisitions"
      ],
      "topics": [
        "bindPanels"
      ]
    },
    {
      "page": "blockCentre",
      "title": "Remove a blocking factor's offset from an MSI object",
      "concept": [
        "workflow"
      ],
      "topics": [
        "blockCentre"
      ]
    },
    {
      "page": "buildFeatureMeta",
      "title": "Build per-feature metadata by joining an ion library on m/z",
      "topics": [
        "buildFeatureMeta"
      ]
    },
    {
      "page": "calibrationInfo-class",
      "title": "Calibration metadata for an imaging experiment",
      "concept": [
        "calibration"
      ],
      "topics": [
        "calibrationInfo",
        "calibrationInfo-class",
        "show,calibrationInfo-method"
      ]
    },
    {
      "page": "combineMSIs-MSImagingExperiment-method",
      "title": "Combine MSI experiments across acquisitions",
      "concept": [
        "combining acquisitions"
      ],
      "topics": [
        "combineMSIs",
        "combineMSIs,MSImagingExperiment-method"
      ]
    },
    {
      "page": "contributionHm",
      "title": "Group-mean heatmap with per-sample contribution as opacity",
      "concept": [
        "visualisation"
      ],
      "topics": [
        "contributionHm"
      ]
    },
    {
      "page": "createCalCurve-quant_MSImagingExperiment-method",
      "title": "Fit per-analyte calibration models",
      "concept": [
        "calibration"
      ],
      "topics": [
        "createCalCurve",
        "createCalCurve,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "createMSIDataMatrix-quant_MSImagingExperiment-method",
      "title": "Create a feature-by-sample MSI data matrix",
      "topics": [
        "createMSIDataMatrix",
        "createMSIDataMatrix,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "generateTxtImages",
      "title": "Load, process and optionally export per-feature text-image matrices",
      "concept": [
        "workflow"
      ],
      "topics": [
        "generateTxtImages"
      ]
    },
    {
      "page": "imageR-quant_MSImagingExperiment-method",
      "title": "Draw an ion image for one feature",
      "concept": [
        "visualisation"
      ],
      "topics": [
        "imageR",
        "imageR,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "int2conc-quant_MSImagingExperiment-method",
      "title": "Convert response to calibrated amount estimates",
      "concept": [
        "calibration"
      ],
      "topics": [
        "int2conc",
        "int2conc,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "int2response-quant_MSImagingExperiment-method",
      "title": "Normalise pixel intensities to internal-standard response",
      "concept": [
        "filtering"
      ],
      "topics": [
        "int2response",
        "int2response,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "int2SNR-quant_MSImagingExperiment-method",
      "title": "Calculate background-referenced signal-to-noise ratios",
      "concept": [
        "filtering"
      ],
      "topics": [
        "int2SNR",
        "int2SNR,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "labelROIs",
      "title": "Label regions of interest within the tissue of an acquisition",
      "concept": [
        "acquisition"
      ],
      "topics": [
        "labelROIs"
      ]
    },
    {
      "page": "plotCalCoverage-quant_MSImagingExperiment-method",
      "title": "Check that measured pixels fall within the calibrated range",
      "concept": [
        "calibration"
      ],
      "topics": [
        "plotCalCoverage",
        "plotCalCoverage,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "print.quantValidation",
      "title": "Print a validation result",
      "concept": [
        "workflow"
      ],
      "topics": [
        "print.quantValidation"
      ]
    },
    {
      "page": "quant_MSImagingExperiment",
      "title": "Quantifiable MS imaging experiment",
      "topics": [
        "quant_MSImagingExperiment",
        "quant_MSImagingExperiment-class"
      ]
    },
    {
      "page": "quantileHm",
      "title": "Quantile heatmap of MSI features across samples",
      "concept": [
        "visualisation"
      ],
      "topics": [
        "quantileHm"
      ]
    },
    {
      "page": "quantMSImageR-accessors",
      "title": "Accessors for calibration and tissue metadata",
      "concept": [
        "accessors"
      ],
      "topics": [
        "calibrationData",
        "calibrationData,quant_MSImagingExperiment-method",
        "calibrationData<-",
        "calibrationData<-,quant_MSImagingExperiment-method",
        "calibrationDiagnostics",
        "calibrationDiagnostics,quant_MSImagingExperiment-method",
        "calibrationLevels",
        "calibrationLevels,quant_MSImagingExperiment-method",
        "calibrationMetadata",
        "calibrationMetadata,quant_MSImagingExperiment-method",
        "calibrationModels",
        "calibrationModels,quant_MSImagingExperiment-method",
        "calibrationModels<-",
        "calibrationModels<-,quant_MSImagingExperiment-method",
        "calibrationR2",
        "calibrationR2,quant_MSImagingExperiment-method",
        "quantMSImageR-accessors",
        "tissueData",
        "tissueData,quant_MSImagingExperiment-method",
        "tissueMatrix",
        "tissueMatrix,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "quantPalettes",
      "title": "Colour palettes used by quantMSImageR",
      "concept": [
        "visualisation"
      ],
      "topics": [
        "quantPalettes"
      ]
    },
    {
      "page": "readMRM",
      "title": "Read a Waters DESI-MRM acquisition into an MSImagingExperiment",
      "concept": [
        "acquisition"
      ],
      "topics": [
        "readMRM"
      ]
    },
    {
      "page": "removeBlankMzs-quant_MSImagingExperiment-method",
      "title": "Remove features without observed signal",
      "concept": [
        "acquisition"
      ],
      "topics": [
        "removeBlankMzs",
        "removeBlankMzs,quant_MSImagingExperiment-method"
      ]
    },
    {
      "page": "runExample",
      "title": "Run the quantMSImageR example study",
      "concept": [
        "workflow"
      ],
      "topics": [
        "runExample"
      ]
    },
    {
      "page": "runStudy",
      "title": "Run a full DESI-MRM study from a YAML configuration",
      "concept": [
        "workflow"
      ],
      "topics": [
        "runStudy"
      ]
    },
    {
      "page": "selectTissuePixels",
      "title": "Interactively select tissue pixels for an acquisition",
      "concept": [
        "acquisition"
      ],
      "topics": [
        "selectTissuePixels"
      ]
    },
    {
      "page": "stitchAcquisitions",
      "title": "Stitch acquisitions that are pieces of one tissue into a single sample",
      "concept": [
        "combining acquisitions"
      ],
      "topics": [
        "stitchAcquisitions"
      ]
    },
    {
      "page": "summariseCalLevels-quant_MSImagingExperiment-method",
      "title": "Summarise the response at each calibration level",
      "concept": [
        "calibration"
      ],
      "topics": [
        "summariseCalLevels",
        "summariseCalLevels,quant_MSImagingExperiment-method"
      ]
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