View source: R/grabMzxmlFunctions.R
grabMzxmlSpectraPremz | R Documentation |
Extract the precursor mass from the spectra of an mzXML nodeset
grabMzxmlSpectraPremz(xml_nodes)
xml_nodes |
An xml_nodeset object corresponding to the spectra collected by the mass spectrometer, usually produced by applying 'xml_find_all' to an MS1 or MS2 nodeset. |
A numeric vector of precursor masses, one for each scan
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