cutUniquePrecursor: Get unique precursor ions

In PlantDefenseMetabolism/MetCirc: Navigating mass spectral similarity in high-resolution MS/MS metabolomics data

Description

Get unique precursor ions

Usage

cutUniquePrecursor(precursor, splitPattern = splitPattern, 
     splitInd = splitInd, returnCharacter = TRUE)

Arguments

precursor	character where features are separated by splitPattern
splitPattern	character, character vector to use for splitting, see ?strsplit for further information
splitInd	numeric, extract precursor mz at position splitInd
returnCharacter	logical, if TRUE return character, if FALSE return numeric

Details

Function for internal usage.

Value

The function cutUniquePrecursor returns character or numeric as specified by parameters.

Author(s)

Thomas Naake, [e-mail]

Examples

precursor <- "A_269.0455469_-1"
splitPattern <- "_"
splitInd <- 2
cutUniquePrecursor(precursor, splitPattern = splitPattern, 
     splitInd = splitInd, returnCharacter = TRUE)

PlantDefenseMetabolism/MetCirc documentation built on May 8, 2019, 2:52 p.m.