xrankanno: Perform MS/MS X rank annotation for mgf file

In enviGCMS: GC/LC-MS Data Analysis for Environmental Science

Perform MS/MS X rank annotation for mgf file

Description

Perform MS/MS X rank annotation for mgf file

Usage

xrankanno(file, db = NULL, ppm = 10, prems = 1.1, intc = 0.1, quantile = 0.75)

Arguments

file	mgf file generated from MS/MS data
db	database could be list object from 'getms2pmd'
ppm	mass accuracy, default 10
prems	precursor mass range, default 1.1 to include M+H or M-H
intc	intensity cutoff for peaks. Default 0.1
quantile	X rank quantiles cutoff for annotation. Default 0.75.

Value

list with MSMS annotation results

enviGCMS documentation built on Feb. 16, 2023, 8:08 p.m.