mapPrecursorToChromIndices: Merge precursor and transitions mapping with chromatogram...

In Roestlab/DIAlignR: Dynamic Programming Based Alignment of MS2 Chromatograms

Description

Merges dataframes on transition_ids(OSW) = chromatogramId(mzML).

Usage

mapPrecursorToChromIndices(prec2transition, chromHead)

Arguments

prec2transition	(dataframe) This has two columns: transition_group_id and transition_ids with integer values.
chromHead	(dataframe) This has two columns: chromatogramId and chromatogramIndex with integer values.

Value

(dataframe) having following columns:

transition_group_id	(string) it is either fetched from PRECURSOR.GROUP_LABEL or a combination of PEPTIDE.MODIFIED_SEQUENCE and PRECURSOR.CHARGE from osw file.
chromatogramIndex	(integer) Index of chromatogram in mzML file.

Author(s)

Shubham Gupta, [e-mail]

ORCID: 0000-0003-3500-8152

License: (c) Author (2019) + GPL-3 Date: 2020-04-07

See Also

getChromatogramIndices

Roestlab/DIAlignR documentation built on March 3, 2021, 9:09 a.m.