mm14 {CAMERA} | R Documentation

## Extract of marker mixture 14 LC/MS data

### Description

xcmsSet object containing quantitated LC/MS peaks from a marker mixture. The data is a centroided subset from 117-650 m/z and 271-302 seconds with 134 peaks. Positive ionization mode data in mzData file format.

### Usage

    data(mm14)

### Format

The format is:

    Formal class 'xcmsSet' [package "xcms"] with 8 slots
        @ peaks    : num [1:83, 1:11] 117 117 118 119 136
      .. ..- attr(*, "dimnames")=List of 2
      .. .. ..$ : NULL
      .. .. ..$ : chr [1:11] "mz" "mzmin" "mzmax" "rt"
      ..@ groups   : logi[0 , 0 ]
      ..@ groupidx : list()
      ..@ phenoData:'data.frame':	1 obs. of  1 variable:
      .. ..$ class: Factor w/ 1 level "mzdata": 1
      ..@ rt       :List of 2
      .. ..$ raw      :List of 1
      .. .. ..$ : num [1:112] 270 271 271 271 272 ...
      .. ..$ corrected:List of 1
      .. .. ..$ : num [1:112] 270 271 271 271 272 ...
      ..@ filepaths: chr "mzdata/MM14.mzdata"
      ..@ profinfo :List of 2
      .. ..$ method: chr "bin"
      .. ..$ step  : num 0.1
      ..@ polarity : chr(0)

### Details

The corresponding raw mzData files are located in the mzData subdirectory of this package.

### Author(s)

Carsten Kuhl <ckuhl@ipb-halle.de>

### Source

http://doi:10.1186/1471-2105-9-504

### References

Data originally reported in "Highly sensitive feature detection for high resolution LC/MS" BMC Bioinformatics; 2008; 9:504.

[Package CAMERA version 1.50.0 Index]