targetExtraction: Title Targeted extraction from untargeted metabolomics data...

Description Usage Arguments Value Examples

View source: R/targetExtraction.R

Description

Title Targeted extraction from untargeted metabolomics data by using the screen result of dbImporter

Usage

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targetExtraction(msRawData, dbData, deltaMZ, deltaTR, trRange = 30, m = 200)

Arguments

msRawData,

the MS data which have a XCMS-support filetype (such as mzXML)

dbData,

the metabolomics database which first processed by dbImporter

deltaMZ,

the m/z tolerence of MS1 between database and raw data

deltaTR,

the retention time tolerence of MS1 between database and raw data

trRange

retention time range for extraction.

m

parameter of peak detection.

Value

targExtracRes

Examples

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load(system.file("extdata/testData", "dbDataTest.rda", package = "MetEx"))
targExtracRes <- targetExtraction(
                 msRawData = system.file("extdata/mzXML", "example.mzXML", package = "MetEx"),
                 dbData = dbDataTest,
                 deltaMZ=0.01,
                 deltaTR=60)

zhengfj1994/MeTEA documentation built on June 29, 2021, 5:21 a.m.