findMSnScans: findMSnScans

In mjhelf/Metaboseek: Metaboseek platform

findMSnScans

Description

Get a list of MS scans based on parent m/z and retention time Will return all scans with parentMZ within mz +/- ppm OR mzwid, AND retentionTime within rt +/- rtwid.

Usage

findMSnScans(data, ...)

## S3 method for class 'reactivevalues'
findMSnScans(data, ...)

## S3 method for class 'OnDiskMSnExp'
findMSnScans(data, mz, rt, ppm = 5, mzwid = 0, rtwid = 30, MSlevel = 2)

Arguments

data	an OnDiskMSnExp or MseekValues (reactivevalues) object
...	arguments passed to findMSnScans.OnDiskMSnExp
mz	parentMZ value to search for. mz and rt can be vectors, but need to be of equal length
rt	retention time to search for. mz and rt can be vectors, but need to be of equal length
ppm	mz tolerance in ppm
mzwid	mz tolerance in absolute mz values
rtwid	rt tolerance in seconds
MSlevel	which mz level to

Value

a subset of the data@featureData@data data.frame matching the search criteria, with an additional filename column

mjhelf/Metaboseek documentation built on April 23, 2022, 12:09 p.m.