MS1MatchSpectra: MS1featureMatch

Description Usage Arguments Value

Description

match ms1 features defined by mz and Rt to vector of ms2 features

Usage

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MS1MatchSpectra(metaData = NULL, MS2file = NULL, mz = NULL, RT = NULL,
  EIC = NULL, adduct = NULL, precursorPpm = 10, ret = 10,
  adducts = FALSE, isoWid = 4)

Arguments

mz

mass to charge ratio (from the MS1 peak table).

RT

retention time in seconds (from the MS1 peak table).

precursorPpm

parts per million mass accuracy for match (default

ret

retention time window (+/- seconds) for match

isoWid

isolation width of ions.

mz.v

numeric vector of mass to charge ratio (from MS2 precursors)

RT.v

numeric vector of retention time in seconds (from MS2 precursors)

Value

returns indices of matches as a list object


WMBEdmands/compMS2Miner documentation built on May 9, 2019, 10:04 p.m.