matchMassDiff: Checking for mass diferences

Description Usage Arguments Author(s) See Also Examples

View source: R/MS1_Utilities.R

Description

This functions is used to check of two measured masses are different by a give mass difference. This can be used to check if a neutral loss is found between two masses or if masses are connected by certain metabolic transformations, e.g. methylation, acetylation etc.

Usage

1
matchMassDiff(mz1, mz2, mzDiff, mzTol = 0.005, mzTolType = "abs")

Arguments

mz1

First m/z value for which a mass difference shall be checked

mz2

Second m/z value for which a mass difference shall be checked

mzDiff

Mass difference to check for

mzTol

m/z error, numeric value

mzTolType

type of error used, absolute (abs) or relative (ppm)

Author(s)

Michael Witting, michael.witting@helmholtz-muenchen.de

See Also

matchMz

Examples

1
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michaelwitting/masstrixR documentation built on Nov. 8, 2019, 8:12 p.m.