Package: xcms 4.5.2

Steffen Neumann

xcms: LC-MS and GC-MS Data Analysis

Framework for processing and visualization of chromatographically separated and single-spectra mass spectral data. Imports from AIA/ANDI NetCDF, mzXML, mzData and mzML files. Preprocesses data for high-throughput, untargeted analyte profiling.

Authors:Colin A. Smith [aut], Ralf Tautenhahn [aut], Steffen Neumann [aut, cre], Paul Benton [aut], Christopher Conley [aut], Johannes Rainer [aut], Michael Witting [ctb], William Kumler [aut], Philippine Louail [aut], Pablo Vangeenderhuysen [ctb], Carl Brunius [ctb]

xcms_4.5.2.tar.gz
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xcms.pdf |xcms.html
xcms/json (API)
NEWS

# Install 'xcms' in R:
install.packages('xcms', repos = c('https://bioc.r-universe.dev', 'https://cloud.r-project.org'))

Peer review:

Bug tracker:https://github.com/sneumann/xcms/issues

Uses libs:
  • c++– GNU Standard C++ Library v3
Datasets:
  • faahko_sub - LC-MS preprocessing result test data sets
  • faahko_sub2 - LC-MS preprocessing result test data sets
  • xdata - LC-MS preprocessing result test data sets
  • xmse - LC-MS preprocessing result test data sets

On BioConductor:xcms-4.5.2(bioc 3.21)xcms-4.4.0(bioc 3.20)

immunooncologymassspectrometrymetabolomicsbioconductorfeature-detectionmass-spectrometrypeak-detectioncpp

14.36 score 189 stars 11 packages 928 scripts 3.3k downloads 68 mentions 387 exports 136 dependencies

Last updated 7 days agofrom:143f3b9f85. Checks:OK: 1 NOTE: 6 WARNING: 2. Indexed: yes.

TargetResultDate
Doc / VignettesOKDec 17 2024
R-4.5-win-x86_64WARNINGNov 23 2024
R-4.5-linux-x86_64NOTEDec 17 2024
R-4.4-win-x86_64WARNINGNov 23 2024
R-4.4-mac-x86_64NOTEDec 17 2024
R-4.4-mac-aarch64NOTEDec 17 2024
R-4.3-win-x86_64NOTENov 23 2024
R-4.3-mac-x86_64NOTEDec 17 2024
R-4.3-mac-aarch64NOTEDec 17 2024

Exports:absentabsMzabsMz<-absRtabsRt<-addParamsaddParams<-adjustedRtimeadjustedRtime<-adjustRtimeadjustRtimePeakGroupsampThampTh<-applyAdjustedRtimeAutoLockMassbaseValuebaseValue<-binbinSizebinSize<-binYonXBlankFlagbreaks_on_binSizebreaks_on_nBinsbwbw<-CalibrantMassParamcalibratecenterSamplecenterSample<-CentWaveParamCentWavePredIsoParamcheckBackcheckBack<-chromatogramChromPeakAreaParamchromPeakChromatogramschromPeakDatachromPeakData<-chromPeakschromPeaks<-chromPeakSpectracleanCleanPeaksParamcollectconsecMissedLimitconsecMissedLimit<-correlatecriticalValuecriticalValue<-deepCopydiffreportdirnamedirname<-distancedistance<-distFundistFun<-do_adjustRtime_peakGroupsdo_findChromPeaks_addPredIsoROIsdo_findChromPeaks_centWavedo_findChromPeaks_centWaveWithPredIsoROIsdo_findChromPeaks_massifquantdo_findChromPeaks_matchedFilterdo_findPeaks_MSWdo_groupChromPeaks_densitydo_groupChromPeaks_nearestdo_groupPeaks_mzClustDratioFilterdropAdjustedRtimedropChromPeaksdropFeatureDefinitionsdropFilledChromPeaksEicSimilarityParamestimatePrecursorIntensityetgexpandMzexpandMz<-expandRtexpandRt<-exportMetaboAnalystextractMsDataextraPeaksextraPeaks<-factorDiagfactorDiag<-factorGapfactorGap<-familyfamily<-featureAreafeatureChromatogramsfeatureDefinitionsfeatureDefinitions<-featureGroupsfeatureGroups<-featureSpectrafeatureSummaryfeatureValuesfileIndexfileNamesfilepathsfilepaths<-fillChromPeaksFillChromPeaksParamfillPeaksfillPeaks.chromfillPeaks.MSWfilterAcquisitionNumfilterChromPeaksfilterColumnsIntensityAbovefilterColumnsKeepTopfilterFeatureDefinitionsfilterFileFilterIntensityParamfilterMsLevelfilterMzfilterMzRangefilterRtfindChromPeaksfindChromPeaksIsolationWindowfindMZfindmzROIfindneutralfindPeaksfindPeaks.addPredictedIsotopeFeaturesfindPeaks.centWavefindPeaks.centWaveWithPredictedIsotopeROIsfindPeaks.massifquantfindPeaks.matchedFilterfindPeaks.MSWfirstBaselineCheckfirstBaselineCheck<-fitgaussfitgauss<-fixedMzfixedRtfromFilefwhmfwhm<-gapExtendgapExtend<-gapInitgapInit<-GenericParamgetEICgetMsnScangetPeaksgetScangetSpecgetXcmsRawgroupgroup.densitygroup.mzClustgroup.nearestgroupChromPeaksgroupidxgroupidx<-groupnamesgroupOverlapsgroupsgroups<-groupvalhasAdjustedRtimehasChromPeakshasFeatureshasFilledChromPeakshighlightChromPeaksimageimputeimpute<-imputeLinInterpolimputeRowMinimputeRowMinRandindexindex<-initPenaltyinitPenalty<-integrateintegrate<-intensityisCalibratedisolationWindowTargetMzkNNkNN<-LamaParamalevelplotloadRawloadXcmsDatalocalAlignmentlocalAlignment<-manualChromPeaksmanualFeaturesMassifquantParamMatchedFilterParammatchedRtimesmatchLamasChromPeaksmax<-maxChargemaxCharge<-maxFeaturesmaxFeatures<-maxIsomaxIso<-medianFilterMergeNeighboringPeaksParamminFractionminFraction<-minNoiseLevelminNoiseLevel<-minSamplesminSamples<-mslevelmsn2xcmsRawMSWParammzmzCenterFunmzCenterFun<-MzClustParammzdiffmzdiff<-mzIntervalExtensionmzIntervalExtension<-mzrangemzVsRtBalancemzVsRtBalance<-nearbyPeaknearbyPeak<-NearestPeaksParamnoisenoise<-ObiwarpParamoverlappingFeaturesPeakDensityParampeakGroupsMatrixpeakGroupsMatrix<-PeakGroupsParampeakspeaks<-peakScaleRangepeakScaleRange<-peaksWithCentWavepeaksWithMatchedFilterpeakTablepeakThrpeakThr<-peakwidthpeakwidth<-PercentMissingFilterphenoDataphenoData<-phenoDataFromPathspickPeaksplotplotAdjustedRtimeplotChromplotChromatogramsOverlayplotChromPeakDensityplotChromPeakImageplotChromPeaksplotEICplotFeatureGroupsplotMsDataplotPeaksplotPrecursorIonsplotQCplotRawplotrtplotScanplotSpecplotSurfplotTICplotTreepolaritypolarity<-ppmppm<-prefilterprefilter<-presentprocessDateprocessHistoryprocessHistoryTypesprocessInfoprocessParamprocessTypeprofinfoprofinfo<-profMatprofMedFiltprofMethodprofMethod<-profMzprofRangeprofStepprofStep<-progressCallbackprogressCallback<-quantifyrawEICrawMatreconstructChromPeakSpectrarefineChromPeaksremoveIntensityremovePeaksresponseresponse<-retcorretcor.obiwarpretcor.peakgroupsretexprevMzridgeLengthridgeLength<-rlaroiListroiList<-roiScalesrowRlaRsdFilterrtimertrangesampclasssampclass<-sampleGroupssampleGroups<-sampnamessampnames<-scalesscales<-scanrangesetAsshowshowErrorsigmasigma<-smoothsmooth<-snthreshsnthresh<-snthreshIsoROIssnthreshIsoROIs<-sortMzspanspan<-specDistspecDist.cosinespecDist.meanMZmatchspecDist.peakCountspecNoisespecPeaksspectraspectrapplysplitSSgaussstepssteps<-stitchsubsetsubset<-subsetAdjustsubsetAdjust<-summarizeLamaMatchtransformIntensitytuneIntuneIn<-unionsunions<-uniqueMsLevelsupdateObjectuseOriginalCodeverboseColumnsverboseColumns<-verify.mzQuantMLwithWavewithWave<-write.cdfwrite.mzdatawrite.mzQuantMLwriteMSDataXChromatogramXChromatogramsXcmsExperimentxcmsFragmentsxcmsRawxcmsSetxcmsSource

Dependencies:abindaffyaffyioAnnotationFilteraskpassbase64encBHBiobaseBiocBaseUtilsBiocGenericsBiocManagerBiocParallelbslibcachemcliclueclustercodetoolscolorspacecpp11crayoncrosstalkcurldata.tableDBIDelayedArraydigestdoParalleldplyrevaluatefansifarverfastmapfontawesomeforeachformatRfsfutile.loggerfutile.optionsgenericsGenomeInfoDbGenomeInfoDbDataGenomicRangesggplot2gluegtablehighrhmshtmltoolshtmlwidgetshttrigraphimputeIRangesisobanditeratorsjquerylibjsonliteknitrlabelinglambda.rlaterlatticelazyevallifecyclelimmamagrittrMALDIquantMASSMassSpecWaveletMatrixMatrixGenericsmatrixStatsmemoiseMetaboCoreUtilsmgcvmimeMsCoreUtilsMsExperimentMsFeaturesMSnbaseMultiAssayExperimentmunsellmzIDmzRncdf4nlmeopensslpcaMethodspillarpkgconfigplotlyplyrpreprocessCoreprettyunitsprogresspromisesProtGenericsPSMatchpurrrQFeaturesR6rappdirsRColorBrewerRcppreshape2Rhdf5librlangrmarkdownS4ArraysS4VectorssassscalessnowSparseArraySpectrastatmodstringistringrSummarizedExperimentsystibbletidyrtidyselecttinytexUCSC.utilsutf8vctrsviridisLitevsnwithrxfunXMLXVectoryamlzlibbioc

Grouping FTICR-MS data with xcms

Rendered fromxcms-direct-injection.Rmdusingknitr::rmarkdownon Dec 17 2024.

Last update: 2024-03-13
Started: 2017-08-09

LC-MS data preprocessing and analysis with xcms

Rendered fromxcms.Rmdusingknitr::rmarkdownon Dec 17 2024.

Last update: 2024-12-15
Started: 2017-09-29

Compounding (grouping) of LC-MS features

Rendered fromLC-MS-feature-grouping.Rmdusingknitr::rmarkdownon Dec 17 2024.

Last update: 2024-03-13
Started: 2021-08-03

LC-MS/MS data analysis with xcms

Rendered fromxcms-lcms-ms.Rmdusingknitr::rmarkdownon Dec 17 2024.

Last update: 2024-12-15
Started: 2019-10-04

Readme and manuals

Help Manual

Help pageTopics
XCMSnExp filtering and subsettingfilterChromPeaks,XCMSnExp-method filterFeatureDefinitions,XCMSnExp-method filterFile,XCMSnExp-method filterMsLevel,XCMSnExp-method filterMz,XCMSnExp-method filterRt,XCMSnExp-method split,XCMSnExp,ANY-method XCMSnExp-filter [,XCMSnExp,ANY,ANY,ANY-method [[,XCMSnExp,ANY,ANY-method
Subset an xcmsRaw object by scanssubset-xcmsRaw [,xcmsRaw,logicalOrNumeric,missing,missing-method
Determine which peaks are absent / present in a sample classabsent absent,xcmsSet-method present present,xcmsSet-method
Alignment: Retention time correction methods.adjustRtime adjustRtime,MsExperiment,ObiwarpParam-method adjustRtime,MsExperiment,PeakGroupsParam-method adjustRtime,OnDiskMSnExp,ObiwarpParam-method adjustRtime,XCMSnExp,ObiwarpParam-method adjustRtime,XCMSnExp,PeakGroupsParam-method adjustRtimePeakGroups binSize,ObiwarpParam-method binSize<-,ObiwarpParam-method centerSample centerSample,ObiwarpParam-method centerSample<- centerSample<-,ObiwarpParam-method distFun distFun,ObiwarpParam-method distFun<- distFun<-,ObiwarpParam-method extraPeaks extraPeaks,PeakGroupsParam-method extraPeaks<- extraPeaks<-,PeakGroupsParam-method factorDiag factorDiag,ObiwarpParam-method factorDiag<- factorDiag<-,ObiwarpParam-method factorGap factorGap,ObiwarpParam-method factorGap<- factorGap<-,ObiwarpParam-method family family,PeakGroupsParam-method family<- family<-,PeakGroupsParam-method gapExtend gapExtend,ObiwarpParam-method gapExtend<- gapExtend<-,ObiwarpParam-method gapInit gapInit,ObiwarpParam-method gapInit<- gapInit<-,ObiwarpParam-method initPenalty initPenalty,ObiwarpParam-method initPenalty<- initPenalty<-,ObiwarpParam-method localAlignment localAlignment,ObiwarpParam-method localAlignment<- localAlignment<-,ObiwarpParam-method minFraction,PeakGroupsParam-method minFraction<-,PeakGroupsParam-method ObiwarpParam ObiwarpParam-class peakGroupsMatrix peakGroupsMatrix,PeakGroupsParam-method peakGroupsMatrix<- peakGroupsMatrix<-,PeakGroupsParam-method PeakGroupsParam PeakGroupsParam-class response response,ObiwarpParam-method response<- response<-,ObiwarpParam-method smooth smooth,PeakGroupsParam-method smooth<- smooth<-,PeakGroupsParam-method span span,PeakGroupsParam-method span<- span<-,PeakGroupsParam-method subset subset,ObiwarpParam-method subset,PeakGroupsParam-method subset<- subset<-,ObiwarpParam-method subset<-,PeakGroupsParam-method subsetAdjust subsetAdjust,ObiwarpParam-method subsetAdjust,PeakGroupsParam-method subsetAdjust<- subsetAdjust<-,ObiwarpParam-method subsetAdjust<-,PeakGroupsParam-method
Landmark-based alignment: aligning a dataset against an external referenceadjustRtime,XcmsExperiment,LamaParama-method LamaParama LamaParama-class matchedRtimes matchLamasChromPeaks plot,LamaParama,ANY-method summarizeLamaMatch
Replace raw with adjusted retention timesapplyAdjustedRtime
Automatic parameter for Lock mass fixing 'AutoLockMass' ~~AutoLockMass AutoLockMass,xcmsRaw-method AutoLockMass-methods
XCMSnExp data manipulation methods inherited from MSnbasebin,XCMSnExp-method clean,XCMSnExp-method filterAcquisitionNum,XCMSnExp-method normalize,XCMSnExp-method pickPeaks,XCMSnExp-method removePeaks,XCMSnExp-method smooth,XCMSnExp-method
Aggregate values in y for bins defined on xbinYonX
Flag features based on the intensity in blank samplesBlankFlag filterFeatures,SummarizedExperiment,BlankFlag-method filterFeatures,XcmsResult,BlankFlag-method
Generate breaks for binning using a defined bin size.breaks_on_binSize
Generate breaks for binningbreaks_on_nBins
Combine xcmsSet objectsc, c-methods c.xcmsSet
Calibrant mass based calibration of chromatgraphic peaksCalibrantMassParam CalibrantMassParam-class calibrate,XCMSnExp-method isCalibrated mz,CalibrantMassParam
Calibrate peaks for correcting unprecise m/z valuescalibrate calibrate,xcmsSet-method
Extracting chromatogramschromatogram chromatogram,XCMSnExp-method
Extract an ion chromatogram for each chromatographic peakchromPeakChromatograms chromPeakChromatograms,XcmsExperiment-method
Extract spectra associated with chromatographic peakschromPeakSpectra chromPeakSpectra,XcmsExperiment-method chromPeakSpectra,XCMSnExp-method
Collect MS^n peaks into xcmsFragmentscollect collect,xcmsFragments-method collect,xcmsRaw-method collect-methods
Correlate chromatogramscorrelate correlate,Chromatogram,Chromatogram-method correlate,MChromatograms,MChromatograms-method correlate,MChromatograms,missing-method
Create report of analyte differencesdiffreport diffreport,xcmsSet-method
Change the file path of an 'OnDiskMSnExp' objectdirname dirname,OnDiskMSnExp-method dirname<-,OnDiskMSnExp-method
Align spectrum retention times across samples using peak groups found in most samplesdo_adjustRtime_peakGroups
Core API function for centWave peak detectiondo_findChromPeaks_centWave
Core API function for two-step centWave peak detection with isotopesdo_findChromPeaks_addPredIsoROIs do_findChromPeaks_centWaveWithPredIsoROIs
Core API function for massifquant peak detectiondo_findChromPeaks_massifquant
Core API function for matchedFilter peak detectiondo_findChromPeaks_matchedFilter
Core API function for single-spectrum non-chromatography MS data peak detectiondo_findPeaks_MSW
Core API function for peak density based chromatographic peak groupingdo_groupChromPeaks_density
Core API function for chromatic peak grouping using a nearest neighbor approachdo_groupChromPeaks_nearest
Core API function for peak grouping using mzClustdo_groupPeaks_mzClust
Filter features based on the dispersion ratioDratioFilter filterFeatures,SummarizedExperiment,DratioFilter-method filterFeatures,XcmsResult,DratioFilter-method
Estimate precursor intensity for MS level 2 spectraestimatePrecursorIntensity,MsExperiment-method estimatePrecursorIntensity,OnDiskMSnExp-method
Empirically Transformed Gaussian functionetg
Export data for use in MetaboAnalystexportMetaboAnalyst
DEPRECATED: Extract a 'data.frame' containing MS dataextractMsData extractMsData,OnDiskMSnExp-method extractMsData,XCMSnExp-method
Compounding of LC-MS featuresfeature-grouping featureGroups,XcmsResult-method featureGroups<-,XcmsResult-method
Extract ion chromatograms for each featurefeatureChromatograms featureChromatograms,XcmsExperiment-method featureChromatograms,XCMSnExp-method
Extract spectra associated with featuresfeatureSpectra featureSpectra,XcmsExperiment-method featureSpectra,XCMSnExp-method
Simple feature summariesfeatureSummary
Gap FillingChromPeakAreaParam ChromPeakAreaParam-class expandMz expandMz,FillChromPeaksParam-method expandMz<- expandMz<-,FillChromPeaksParam-method expandRt expandRt,FillChromPeaksParam-method expandRt<- expandRt<-,FillChromPeaksParam-method fillChromPeaks fillChromPeaks,XcmsExperiment,ChromPeakAreaParam-method fillChromPeaks,XCMSnExp,ChromPeakAreaParam-method fillChromPeaks,XCMSnExp,FillChromPeaksParam-method fillChromPeaks,XCMSnExp,missing-method FillChromPeaksParam FillChromPeaksParam-class fixedMz fixedRt ppm,FillChromPeaksParam-method ppm<-,FillChromPeaksParam-method
Integrate areas of missing peaksfillPeaks fillPeaks,xcmsSet-method
Integrate areas of missing peaksfillPeaks.chrom fillPeaks.chrom,xcmsSet-method
Integrate areas of missing peaks in FTICR-MS datafillPeaks.MSW fillPeaks.MSW,xcmsSet-method
Filtering sets of chromatographic datafilterColumnsIntensityAbove filterColumnsIntensityAbove,MChromatograms-method filterColumnsIntensityAbove,XChromatograms-method filterColumnsKeepTop filterColumnsKeepTop,MChromatograms-method filterColumnsKeepTop,XChromatograms-method
Next Generation 'xcms' Result ObjectadjustedRtime,XcmsExperiment-method chromatogram,MsExperiment-method chromatogram,XcmsExperiment-method chromPeakData,XcmsExperiment-method chromPeakData<-,XcmsExperiment-method chromPeaks,XcmsExperiment-method chromPeaks<-,XcmsExperiment-method dropAdjustedRtime,XcmsExperiment-method dropChromPeaks,XcmsExperiment-method dropFeatureDefinitions,XcmsExperiment-method dropFilledChromPeaks,XcmsExperiment-method featureArea featureDefinitions,XcmsExperiment-method featureDefinitions<-,XcmsExperiment-method featureValues,XcmsExperiment-method fileNames,MsExperiment-method filterChromPeaks filterChromPeaks,XcmsExperiment-method filterFeatureDefinitions filterFeatureDefinitions,XcmsExperiment-method filterFile,MsExperiment-method filterFile,XcmsExperiment-method filterIsolationWindow,MsExperiment-method filterIsolationWindow,XcmsExperiment-method filterMsLevel,MsExperiment-method filterMsLevel,XcmsExperiment-method filterMz,MsExperiment-method filterMzRange,MsExperiment-method filterMzRange,XcmsExperiment-method filterRt,MsExperiment-method filterRt,XcmsExperiment-method fromFile,MsExperiment-method hasAdjustedRtime,MsExperiment-method hasChromPeaks,XcmsExperiment-method hasFeatures,XcmsExperiment-method hasFilledChromPeaks,XcmsExperiment-method plot,MsExperiment,missing-method polarity,MsExperiment-method processHistory,XcmsExperiment-method quantify,XcmsExperiment-method rtime,MsExperiment-method rtime,XcmsExperiment-method show,XcmsExperiment-method uniqueMsLevels,MsExperiment-method XcmsExperiment XcmsExperiment-class [,XcmsExperiment,ANY,ANY,ANY-method
Filtering of features based on conventional quality assessmentfilterFeatures
Chromatographic Peak DetectionfindChromPeaks findChromPeaks,MsExperiment,Param-method findChromPeaks,XcmsExperiment,Param-method
Chromatographic peak detection using the centWave methodas.list,CentWaveParam-method centWave CentWaveParam CentWaveParam-class findChromPeaks,OnDiskMSnExp,CentWaveParam-method findChromPeaks-centWave firstBaselineCheck firstBaselineCheck,CentWaveParam-method firstBaselineCheck<- firstBaselineCheck<-,CentWaveParam-method fitgauss fitgauss,CentWaveParam-method fitgauss<- fitgauss<-,CentWaveParam-method integrate,CentWaveParam-method integrate<- integrate<-,CentWaveParam-method mzCenterFun mzCenterFun,CentWaveParam-method mzCenterFun<- mzCenterFun<-,CentWaveParam-method mzdiff mzdiff,CentWaveParam-method mzdiff<- mzdiff<-,CentWaveParam-method noise noise,CentWaveParam-method noise<- noise<-,CentWaveParam-method peakwidth peakwidth,CentWaveParam-method peakwidth<- peakwidth<-,CentWaveParam-method ppm ppm,CentWaveParam-method ppm<- ppm<-,CentWaveParam-method prefilter prefilter,CentWaveParam-method prefilter<- prefilter<-,CentWaveParam-method roiList roiList,CentWaveParam-method roiList<- roiList<-,CentWaveParam-method roiScales roiScales,CentWaveParam-method roiScales<- roiScales<-,CentWaveParam-method snthresh snthresh,CentWaveParam-method snthresh<- snthresh<-,CentWaveParam-method verboseColumns verboseColumns,CentWaveParam-method verboseColumns<- verboseColumns<-,CentWaveParam-method
Two-step centWave peak detection considering also isotopesCentWavePredIsoParam CentWavePredIsoParam-class centWaveWithPredIsoROIs findChromPeaks,OnDiskMSnExp,CentWavePredIsoParam-method findChromPeaks-centWaveWithPredIsoROIs maxCharge maxCharge,CentWavePredIsoParam-method maxCharge<- maxCharge<-,CentWavePredIsoParam-method maxIso maxIso,CentWavePredIsoParam-method maxIso<- maxIso<-,CentWavePredIsoParam-method mzIntervalExtension mzIntervalExtension,CentWavePredIsoParam-method mzIntervalExtension<- mzIntervalExtension<-,CentWavePredIsoParam-method polarity,CentWavePredIsoParam-method polarity<- polarity<-,CentWavePredIsoParam-method snthreshIsoROIs snthreshIsoROIs,CentWavePredIsoParam-method snthreshIsoROIs<- snthreshIsoROIs<-,CentWavePredIsoParam-method
Chromatographic peak detection using the massifquant methodcheckBack checkBack,MassifquantParam-method checkBack<- checkBack<-,MassifquantParam-method consecMissedLimit consecMissedLimit,MassifquantParam-method consecMissedLimit<- consecMissedLimit<-,MassifquantParam-method criticalValue criticalValue,MassifquantParam-method criticalValue<- criticalValue<-,MassifquantParam-method findChromPeaks,OnDiskMSnExp,MassifquantParam-method findChromPeaks-massifquant fitgauss,MassifquantParam-method fitgauss<-,MassifquantParam-method integrate,MassifquantParam-method integrate<-,MassifquantParam-method massifquant MassifquantParam MassifquantParam-class mzCenterFun,MassifquantParam-method mzCenterFun<-,MassifquantParam-method mzdiff,MassifquantParam-method mzdiff<-,MassifquantParam-method noise,MassifquantParam-method noise<-,MassifquantParam-method peakwidth,MassifquantParam-method peakwidth<-,MassifquantParam-method ppm,MassifquantParam-method ppm<-,MassifquantParam-method prefilter,MassifquantParam-method prefilter<-,MassifquantParam-method snthresh,MassifquantParam-method snthresh<-,MassifquantParam-method unions unions,MassifquantParam-method unions<- unions<-,MassifquantParam-method verboseColumns,MassifquantParam-method verboseColumns<-,MassifquantParam-method withWave withWave,MassifquantParam-method withWave<- withWave<-,MassifquantParam-method
Peak detection in the chromatographic time domainbaseValue baseValue,MatchedFilterParam-method baseValue<- baseValue<-,MatchedFilterParam-method binSize binSize,MatchedFilterParam-method binSize<- binSize<-,MatchedFilterParam-method distance distance,MatchedFilterParam-method distance<- distance<-,MatchedFilterParam-method findChromPeaks,OnDiskMSnExp,MatchedFilterParam-method findChromPeaks-matchedFilter fwhm fwhm,MatchedFilterParam-method fwhm<- fwhm<-,MatchedFilterParam-method impute,MatchedFilterParam-method impute<- impute<-,MatchedFilterParam-method index index,MatchedFilterParam-method index<- index<-,MatchedFilterParam-method matchedFilter MatchedFilterParam MatchedFilterParam-class max,MatchedFilterParam-method max<- max<-,MatchedFilterParam-method mzdiff,MatchedFilterParam-method mzdiff<-,MatchedFilterParam-method sigma sigma,MatchedFilterParam-method sigma<- sigma<-,MatchedFilterParam-method snthresh,MatchedFilterParam-method snthresh<-,MatchedFilterParam-method steps steps,MatchedFilterParam-method steps<- steps<-,MatchedFilterParam-method
centWave-based peak detection in purely chromatographic datafindChromPeaks,Chromatogram,CentWaveParam-method findChromPeaks,MChromatograms,CentWaveParam-method findChromPeaks,MChromatograms,MatchedFilterParam-method findChromPeaks-Chromatogram-CentWaveParam
matchedFilter-based peak detection in purely chromatographic datafindChromPeaks,Chromatogram,MatchedFilterParam-method
Data independent acquisition (DIA): peak detection in isolation windowsfindChromPeaksIsolationWindow findChromPeaksIsolationWindow,MsExperiment-method findChromPeaksIsolationWindow,OnDiskMSnExp-method
Find fragment ions in xcmsFragment objectsfindMZ findMZ,xcmsFragments-method
Find neutral losses in xcmsFragment objectsfindneutral findneutral,xcmsFragments-method
Feature detection for GC/MS and LC/MS Data - methodsfindPeaks findPeaks,xcmsRaw-method findPeaks-methods
Single-spectrum non-chromatography MS data peak detectionaddParams addParams,MSWParam-method addParams<- addParams<-,MSWParam-method ampTh ampTh,MSWParam-method ampTh<- ampTh<-,MSWParam-method findChromPeaks,OnDiskMSnExp,MSWParam-method findPeaks-MSW minNoiseLevel minNoiseLevel,MSWParam-method minNoiseLevel<- minNoiseLevel<-,MSWParam-method MSW MSWParam MSWParam-class nearbyPeak nearbyPeak,MSWParam-method nearbyPeak<- nearbyPeak<-,MSWParam-method peakScaleRange peakScaleRange,MSWParam-method peakScaleRange<- peakScaleRange<-,MSWParam-method peakThr peakThr,MSWParam-method peakThr<- peakThr<-,MSWParam-method ridgeLength ridgeLength,MSWParam-method ridgeLength<- ridgeLength<-,MSWParam-method scales scales,MSWParam-method scales<- scales<-,MSWParam-method snthresh,MSWParam-method snthresh<-,MSWParam-method tuneIn tuneIn,MSWParam-method tuneIn<- tuneIn<-,MSWParam-method verboseColumns,MSWParam-method verboseColumns<-,MSWParam-method
Feature detection based on predicted isotope features for high resolution LC/MS datafindPeaks.addPredictedIsotopeFeatures findPeaks.addPredictedIsotopeFeatures,xcmsRaw-method
Feature detection for high resolution LC/MS datafindPeaks.centWave findPeaks.centWave,xcmsRaw-method
Feature detection with centWave and additional isotope featuresfindPeaks.centWaveWithPredictedIsotopeROIs findPeaks.centWaveWithPredictedIsotopeROIs,xcmsRaw-method
Feature detection for XC-MS data.findPeaks.massifquant findPeaks.massifquant,xcmsRaw-method
Peak detection in the chromatographic time domainfindPeaks.matchedFilter findPeaks.matchedFilter,xcmsRaw-method
Collecting MS1 precursor peaksfindPeaks.MS1 findPeaks.MS1,xcmsRaw-method
Peak detection for single-spectrum non-chromatography MS datafindPeaks.MSW findPeaks.MSW,xcmsRaw-method
Generic parameter classclass:Param GenericParam GenericParam-class Param Param-class
Get extracted ion chromatograms for specified m/z rangesgetEIC getEIC,xcmsRaw-method getEIC,xcmsSet-method
Get peak intensities for specified regionsgetPeaks getPeaks,xcmsRaw-method
Get m/z and intensity values for a single mass scangetMsnScan getMsnScan,xcmsRaw-method getScan getScan,xcmsRaw-method
Get average m/z and intensity values for multiple mass scansgetSpec getSpec,xcmsRaw-method
Load the raw data for one or more files in the xcmsSetgetXcmsRaw getXcmsRaw,xcmsSet-method
Group peaks from different samples togethergroup group,xcmsSet-method group-methods
Group peaks from different samples togethergroup.density group.density,xcmsSet-method
Group Peaks via High Resolution Alignmentgroup.mzClust group.mzClust,xcmsSet-method
Group peaks from different samples togethergroup.nearest group.nearest,xcmsSet-method
Correspondence: group chromatographic peaks across samplesabsMz absMz,MzClustParam-method absMz,NearestPeaksParam-method absMz<- absMz<-,MzClustParam-method absMz<-,NearestPeaksParam-method absRt absRt,NearestPeaksParam-method absRt<- absRt<-,NearestPeaksParam-method as.list,PeakDensityParam-method binSize,PeakDensityParam-method binSize<-,PeakDensityParam-method bw bw,PeakDensityParam-method bw<- bw<-,PeakDensityParam-method groupChromPeaks groupChromPeaks,XcmsExperiment,Param-method groupChromPeaks,XCMSnExp,MzClustParam-method groupChromPeaks,XCMSnExp,NearestPeaksParam-method groupChromPeaks,XCMSnExp,PeakDensityParam-method kNN kNN,NearestPeaksParam-method kNN<- kNN<-,NearestPeaksParam-method maxFeatures maxFeatures,PeakDensityParam-method maxFeatures<- maxFeatures<-,PeakDensityParam-method minFraction minFraction,MzClustParam-method minFraction,PeakDensityParam-method minFraction<- minFraction<-,MzClustParam-method minFraction<-,PeakDensityParam-method minSamples minSamples,MzClustParam-method minSamples,PeakDensityParam-method minSamples<- minSamples<-,MzClustParam-method minSamples<-,PeakDensityParam-method MzClustParam MzClustParam-class mzVsRtBalance mzVsRtBalance,NearestPeaksParam-method mzVsRtBalance<- mzVsRtBalance<-,NearestPeaksParam-method NearestPeaksParam NearestPeaksParam-class PeakDensityParam PeakDensityParam-class ppm,MzClustParam-method ppm,PeakDensityParam-method ppm<-,MzClustParam-method sampleGroups sampleGroups,MzClustParam-method sampleGroups,NearestPeaksParam-method sampleGroups,PeakDensityParam-method sampleGroups<- sampleGroups<-,MzClustParam-method sampleGroups<-,NearestPeaksParam-method sampleGroups<-,PeakDensityParam-method
Compounding/feature grouping based on similarity of abundances across samplesgroupFeatures,XcmsResult,AbundanceSimilarityParam-method groupFeatures-abundance-correlation
Compounding/feature grouping based on similarity of extracted ion chromatogramsEicSimilarityParam EicSimilarityParam-class groupFeatures,XcmsResult,EicSimilarityParam-method groupFeatures-eic-similarity
Compounding/feature grouping based on similar retention timesgroupFeatures,XcmsResult,SimilarRtimeParam-method groupFeatures-similar-rtime
Generate unque names for peak groupsgroupnames groupnames,xcmsEIC-method groupnames,xcmsSet-method
Generate unique group (feature) names based on mass and retention timegroupnames,XCMSnExp-method
Group overlapping rangesgroupOverlaps
Extract a matrix of peak values for each groupgroupval groupval,xcmsSet-method
Add definition of chromatographic peaks to an extracted chromatogram plothighlightChromPeaks
Plot log intensity image of a xcmsRaw objectimage,xcmsRaw-method
Impute values for empty elements in a vector using linear interpolationimputeLinInterpol
Replace missing values with a proportion of the row minimumimputeRowMin
Impute missing values with random numbers based on the row minimumimputeRowMinRand
Extract isolation window target m/z definitionisolationWindowTargetMz isolationWindowTargetMz,OnDiskMSnExp-method
Plot log intensity image of a xcmsRaw objectlevelplot,xcmsRaw-method levelplot,xcmsSet-method
Read binary data from a sourceloadRaw loadRaw,xcmsFileSource-method loadRaw,xcmsSource-method loadRaw-methods
LC-MS preprocessing result test data setsfaahko_sub faahko_sub2 loadXcmsData xdata xmse
Manual peak integration and feature definitionmanualChromPeaks manualChromPeaks,MsExperiment-method manualChromPeaks,OnDiskMSnExp-method manualChromPeaks,XcmsExperiment-method manualChromPeaks,XCMSnExp-method manualFeatures manualFeatures,XcmsExperiment-method manualFeatures,XCMSnExp-method
Apply a median filter to a matrixmedianFilter
Copy MSn data in an xcmsRaw to the MS slotsmsn2xcmsRaw
Identify overlapping featuresoverlappingFeatures
Plot a grid of a large number of peakspeakPlots,xcmsSet-method peakPlots-methods
Identify peaks in chromatographic data using centWavepeaksWithCentWave
Identify peaks in chromatographic data using matchedFilterpeaksWithMatchedFilter
Create report of aligned peak intensitiespeakTable peakTable,xcmsSet-method
Filter features based on the percentage of missing datafilterFeatures,SummarizedExperiment,PercentMissingFilter-method filterFeatures,XcmsResult,PercentMissingFilter-method PercentMissingFilter
Derive experimental design from file pathsphenoDataFromPaths
Plot extracted ion chromatograms from multiple filesplot, plot-methods plot.xcmsEIC
Visualization of Alignment ResultsplotAdjustedRtime
Plot extracted ion chromatograms from the profile matrixplotChrom plotChrom,xcmsRaw-method
Plot multiple chromatograms into the same plotplotChromatogramsOverlay plotChromatogramsOverlay,MChromatograms-method plotChromatogramsOverlay,XChromatograms-method
Plot chromatographic peak density along the retention time axisplotChromPeakDensity plotChromPeakDensity,XCMSnExp-method
General visualizations of peak detection resultsplotChromPeakImage plotChromPeaks
Plot extracted ion chromatograms for specified m/z rangeplotEIC plotEIC,xcmsRaw-method
Plot feature groups in the m/z-retention time spaceplotFeatureGroups
DEPRECATED: Create a plot that combines a XIC and a mz/rt 2D plot for one sampleplotMsData
Plot a grid of a large number of peaksplotPeaks plotPeaks,xcmsRaw-method
General visualization of precursor ions of LC-MS/MS dataplotPrecursorIons
Plot m/z and RT deviations for QC purposes without external reference dataplotQC
Scatterplot of raw data pointsplotRaw plotRaw,xcmsRaw-method
Plot retention time deviation profilesplotrt plotrt,xcmsSet-method
Plot a single mass scanplotScan plotScan,xcmsRaw-method
Plot mass spectra from the profile matrixplotSpec plotSpec,xcmsRaw-method
Plot profile matrix 3D surface using OpenGLplotSurf plotSurf,xcmsRaw-method
Plot total ion countplotTIC plotTIC,xcmsRaw-method
Tracking data processingfileIndex fileIndex,ProcessHistory-method msLevel,XProcessHistory-method processDate processDate,ProcessHistory-method ProcessHistory ProcessHistory-class processInfo processInfo,ProcessHistory-method processParam processParam,XProcessHistory-method processType processType,ProcessHistory-method show,ProcessHistory-method show,XProcessHistory-method XProcessHistory XProcessHistory-class
The profile matrixprofile-matrix profMat profMat,MsExperiment-method profMat,xcmsRaw-method profMat-xcmsSet
Median filtering of the profile matrixprofMedFilt profMedFilt,xcmsRaw-method
Get and set method for generating profile dataprofMethod profMethod,xcmsRaw-method profMethod<- profMethod<-,xcmsRaw-method
Specify a subset of profile mode dataprofRange profRange,xcmsRaw-method
Get and set m/z step for generating profile dataprofStep profStep,xcmsRaw-method profStep<- profStep<-,xcmsRaw-method
Accessing mz-rt feature data valuesfeatureValues featureValues,XCMSnExp-method quantify,XCMSnExp-method
Get extracted ion chromatograms for specified m/z rangerawEIC rawEIC,xcmsRaw-method
Get a raw data matrixrawMat rawMat,xcmsRaw-method rawMat-methods
Data independent acquisition (DIA): reconstruct MS2 spectrareconstructChromPeakSpectra reconstructChromPeakSpectra,XcmsExperiment-method reconstructChromPeakSpectra,XCMSnExp-method
Refine Identified Chromatographic PeaksCleanPeaksParam CleanPeaksParam-class FilterIntensityParam FilterIntensityParam-class MergeNeighboringPeaksParam MergeNeighboringPeaksParam-class refineChromPeaks refineChromPeaks,XcmsExperiment,CleanPeaksParam-method refineChromPeaks,XcmsExperiment,FilterIntensityParam-method refineChromPeaks,XcmsExperiment,MergeNeighboringPeaksParam-method refineChromPeaks,XCMSnExp,CleanPeaksParam-method refineChromPeaks,XCMSnExp,FilterIntensityParam-method refineChromPeaks,XCMSnExp,MergeNeighboringPeaksParam-method show,CleanPeaksParam-method show,FilterIntensityParam-method show,MergeNeighboringPeaksParam-method
Remove intensities from chromatographic dataremoveIntensity removeIntensity,Chromatogram-method removeIntensity,MChromatograms-method removeIntensity,XChromatogram-method
Correct retention time from different samplesretcor retcor,xcmsSet-method retcor-methods
Align retention times across samples with Obiwarpretcor.obiwarp retcor.obiwarp,xcmsSet-method
Align retention times across samplesretcor.linear retcor.linear,xcmsSet-method retcor.loess retcor.loess,xcmsSet-method retcor.peakgroups retcor.peakgroups,xcmsSet-method
Set retention time window to a specified widthretexp
Calculate relative log abundancesrla rowRla
Filter features based on their coefficient of variationfilterFeatures,SummarizedExperiment,RsdFilter-method filterFeatures,XcmsResult,RsdFilter-method RsdFilter
Get sample namessampnames sampnames,xcmsEIC-method sampnames,xcmsSet-method
Extract processing errorsshowError showError,xcmsSet-method
Distance methods for xcmsSet, xcmsRaw and xsAnnotatespecDist specDist,xcmsSet-method specDist-methods
a Distance function based on matching peaksspecDist.cosine specDist.cosine,matrix,matrix-method
a Distance function based on matching peaksspecDist.meanMZmatch specDist.meanMZmatch,matrix,matrix-method
a Distance function based on matching peaksspecDist.peakCount specDist.peakCount,matrix,matrix-method specDist.peakCount-methods
Calculate noise for a sparse continuum mass spectrumspecNoise
Identify peaks in a sparse continuum mode spectrumspecPeaks
Divide an xcmsRaw objectsplit.xcmsRaw
Divide an xcmsSet objectsplit, split-methods split.xcmsSet
Gaussian ModelSSgauss
Correct gaps in datamakeacqNum makeacqNum, xcmsRaw-method stitch stitch,xcmsRaw-method stitch-methods stitch.netCDF stitch.xml
Update an 'xcmsSet' objectupdateObject,xcmsSet-method
Enable usage of old xcms codeuseOriginalCode
Verify an mzQuantML fileverify.mzQuantML
Save an xcmsRaw object to filewrite.cdf write.cdf,xcmsRaw-method
Save an xcmsRaw object to a filewrite.mzdata write.mzdata,xcmsRaw-method
Save an xcmsSet object to an PSI mzQuantML filewrite.mzQuantML write.mzQuantML,xcmsSet-method
Export MS data to mzML/mzXML fileswriteMSData,XCMSnExp,character-method
Save a grouped xcmsSet object in mzTab-1.1 format filewriteMzTab
Containers for chromatographic and peak detection datachromPeakData,XChromatogram-method chromPeakData,XChromatograms-method chromPeakData<-,XChromatogram-method chromPeaks,XChromatogram-method chromPeaks,XChromatograms-method chromPeaks<-,XChromatogram-method coerce,MChromatograms,XChromatograms-method dropFeatureDefinitions,XChromatograms-method dropFilledChromPeaks,XChromatogram-method dropFilledChromPeaks,XChromatograms-method featureDefinitions,XChromatograms-method featureValues,XChromatograms-method filterChromPeaks,XChromatogram-method filterChromPeaks,XChromatograms-method filterMz,XChromatogram-method filterMz,XChromatograms-method filterRt,XChromatogram-method filterRt,XChromatograms-method groupChromPeaks,XChromatograms,PeakDensityParam-method hasChromPeaks,XChromatogram-method hasChromPeaks,XChromatograms-method hasFeatures,XChromatograms-method hasFilledChromPeaks,XChromatograms-method plot,XChromatogram,ANY-method plot,XChromatograms,ANY-method plotChromPeakDensity,XChromatograms-method processHistory,XChromatograms-method refineChromPeaks,XChromatogram,MergeNeighboringPeaksParam-method refineChromPeaks,XChromatograms,MergeNeighboringPeaksParam-method show,XChromatogram-method show,XChromatograms-method transformIntensity,XChromatogram-method transformIntensity,XChromatograms-method XChromatogram XChromatogram-class XChromatograms XChromatograms-class [,XChromatograms,ANY,ANY,ANY-method
Deprecated functions in package 'xcms'xcms-deprecated
Class xcmsEIC, a class for multi-sample extracted ion chromatogramsmzrange mzrange,xcmsEIC-method rtrange rtrange,xcmsEIC-method show,xcmsEIC-method xcmsEIC-class
Base class for loading raw data from a filexcmsFileSource-class xcmsSource,character-method
Constructor for xcmsFragments objects which holds Tandem MS peaksxcmsFragments
Class xcmsFragments, a class for handling Tandem MS and MS$^n$ dataplotTree plotTree,xcmsFragments-method show,xcmsFragments-method xcmsFragments-class
Data container storing xcms preprocessing resultsadjustedRtime adjustedRtime,MsFeatureData-method adjustedRtime,XCMSnExp-method adjustedRtime<- adjustedRtime<-,MsFeatureData-method adjustedRtime<-,XCMSnExp-method c.XCMSnExp chromPeakData chromPeakData,MsFeatureData-method chromPeakData,XCMSnExp-method chromPeakData<- chromPeakData<-,MsFeatureData-method chromPeakData<-,XCMSnExp-method chromPeaks chromPeaks,MsFeatureData-method chromPeaks,XCMSnExp-method chromPeaks<- chromPeaks<-,MsFeatureData-method chromPeaks<-,XCMSnExp-method dropAdjustedRtime dropAdjustedRtime,MsFeatureData-method dropAdjustedRtime,XCMSnExp-method dropChromPeaks dropChromPeaks,MsFeatureData-method dropChromPeaks,XCMSnExp-method dropFeatureDefinitions dropFeatureDefinitions,MsFeatureData-method dropFeatureDefinitions,XCMSnExp-method dropFilledChromPeaks dropFilledChromPeaks,XCMSnExp-method featureDefinitions featureDefinitions,MsFeatureData-method featureDefinitions,XCMSnExp-method featureDefinitions<- featureDefinitions<-,MsFeatureData-method featureDefinitions<-,XCMSnExp-method findChromPeaks,XCMSnExp,Param-method hasAdjustedRtime hasAdjustedRtime,MsFeatureData-method hasAdjustedRtime,OnDiskMSnExp-method hasAdjustedRtime,XCMSnExp-method hasChromPeaks hasChromPeaks,MsFeatureData-method hasChromPeaks,XCMSnExp-method hasFeatures hasFeatures,MsFeatureData-method hasFeatures,XCMSnExp-method hasFilledChromPeaks hasFilledChromPeaks,XCMSnExp-method intensity,XCMSnExp-method mz,XCMSnExp-method plot,XCMSnExp,missing-method processHistory processHistory,XCMSnExp-method processHistoryTypes profMat,OnDiskMSnExp-method profMat,XCMSnExp-method rtime,XCMSnExp-method setAs show,MsFeatureData-method show,XCMSnExp-method spectra,XCMSnExp-method spectrapply,XCMSnExp-method updateObject,XCMSnExp-method XCMSnExp XCMSnExp-class
A matrix of peaksshow,xcmsPeaks-method xcmsPeaks-class
Constructor for xcmsRaw objects which reads NetCDF/mzXML filesdeepCopy deepCopy,xcmsRaw-method xcmsRaw
Class xcmsRaw, a class for handling raw datafindmzROI findmzROI,xcmsRaw-method levelplot mslevel,xcmsRaw-method profinfo,xcmsRaw-method profMz profMz,xcmsRaw-method revMz revMz,xcmsRaw-method scanrange,xcmsRaw-method show,xcmsRaw-method sortMz sortMz,xcmsRaw-method xcmsRaw-class
Constructor for xcmsSet objects which finds peaks in NetCDF/mzXML filesxcmsSet
Class xcmsSet, a class for preprocessing peak data$,xcmsSet-method $<-,xcmsSet-method filepaths filepaths,xcmsSet-method filepaths<- filepaths<-,xcmsSet-method groupidx groupidx,xcmsSet-method groupidx<- groupidx<-,xcmsSet-method groups groups,xcmsSet-method groups<- groups<-,xcmsSet-method mslevel mslevel,xcmsSet-method peaks peaks,xcmsSet-method peaks<- peaks<-,xcmsSet-method phenoData phenoData,xcmsSet-method phenoData<- phenoData<-,xcmsSet,ANY-method phenoData<-,xcmsSet-method profinfo profinfo,xcmsSet-method profinfo<- profinfo<-,xcmsSet-method profMethod,xcmsSet-method profStep,xcmsSet-method progressCallback progressCallback,xcmsSet-method progressCallback<- progressCallback<-,xcmsSet-method sampclass sampclass,xcmsSet-method sampclass<- sampclass<-,xcmsSet-method sampnames<- sampnames<-,xcmsSet-method scanrange scanrange,xcmsSet-method show,xcmsSet-method xcmsSet-class [,xcmsSet,ANY,ANY,ANY-method [,xcmsSet-method
Virtual class for raw data sourcesxcmsSource-class
Create an 'xcmsSource' object in a flexible wayxcmsSource xcmsSource,xcmsSource-method xcmsSource-methods