msdata {msdata} | R Documentation

## Sample FTICR, LC/MS and MS$^n$ data

### Description

`x` object containing a subset of LC/MS raw data from a Thermo Finnigan LCQ Deca XP The data is a subset from 500-850 m/z and 1190-1310 seconds, incl. MS2 and MS3, intensity threshhold 100.000. It was collected in positive ionization mode.

`xs` object containing a subset of FTICR data from a Bruker APex III FTICR. The data is a subset from 400-450 m/z, collected in positive ionization mode.

### Usage

    data(xs)

### Format

The format is:

      xs

### Details

The corresponding raw mzdata files are located in the `fticr` and `iontrap` subdirectory of this package.

### See Also

`xcmsSet`, `xcmsRaw`

### Examples

    ## The directory with the mzData LC/MS files
    mzdatapath <- file.path(.find.package("msdata"), "iontrap")
    mzdatapath
    files <- list.files(mzdatapath, recursive = TRUE, full.names = TRUE)

    if (require(xcms)) {

    ## xcmsSet Summary
    show(xs)

    ## Access raw data file
    x <- xcmsRaw(files[1])
    x

    }

[Package msdata version 0.1.3 Index]