15N example data

An example data for 15N metabolic labelling, distributed as an MSnSet to illustrate 15N QC.

data(n15psm)

References

See MSnSet and the MSnbase-demo vignette in the MSnbase package.

Examples

library("MSnbase")
#> Loading required package: BiocGenerics
#> 
#> Attaching package: ‘BiocGenerics’
#> The following objects are masked from ‘package:stats’:
#> 
#>     IQR, mad, sd, var, xtabs
#> The following objects are masked from ‘package:base’:
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#>     Filter, Find, Map, Position, Reduce, anyDuplicated, aperm, append,
#>     as.data.frame, basename, cbind, colnames, dirname, do.call,
#>     duplicated, eval, evalq, get, grep, grepl, intersect, is.unsorted,
#>     lapply, mapply, match, mget, order, paste, pmax, pmax.int, pmin,
#>     pmin.int, rank, rbind, rownames, sapply, setdiff, table, tapply,
#>     union, unique, unsplit, which.max, which.min
#> Loading required package: Biobase
#> Welcome to Bioconductor
#> 
#>     Vignettes contain introductory material; view with
#>     'browseVignettes()'. To cite Bioconductor, see
#>     'citation("Biobase")', and for packages 'citation("pkgname")'.
#> Loading required package: mzR
#> Loading required package: Rcpp
#> Loading required package: S4Vectors
#> Loading required package: stats4
#> 
#> Attaching package: ‘S4Vectors’
#> The following object is masked from ‘package:utils’:
#> 
#>     findMatches
#> The following objects are masked from ‘package:base’:
#> 
#>     I, expand.grid, unname
#> Loading required package: ProtGenerics
#> 
#> Attaching package: ‘ProtGenerics’
#> The following object is masked from ‘package:stats’:
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#>     smooth
#> 
#> This is MSnbase version 2.29.3 
#>   Visit https://lgatto.github.io/MSnbase/ to get started.
#>  Consider switching to the 'R for Mass Spectrometry'
#>  packages - see https://RforMassSpectrometry.org for details.
#> 
#> Attaching package: ‘MSnbase’
#> The following object is masked from ‘package:base’:
#> 
#>     trimws
data(n15psm)
psm
#> MSnSet (storageMode: lockedEnvironment)
#> assayData: 1772 features, 2 samples 
#>   element names: exprs 
#> protocolData: none
#> phenoData: none
#> featureData
#>   featureNames: 3 5 ... 4499 (1772 total)
#>   fvarLabels: Protein_Accession Protein_Description ... inc (21 total)
#>   fvarMetadata: labelDescription
#> experimentData: use 'experimentData(object)'
#>   pubMedIds: 23681576 
#> Annotation:  
#> - - - Processing information - - -
#> Subset [22540,2][1999,2] Tue Sep 17 01:34:09 2013 
#> Removed features with more than 0 NAs: Tue Sep 17 01:34:09 2013 
#> Dropped featureData's levels Tue Sep 17 01:34:09 2013 
#>  MSnbase version: 1.9.7