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Package 'xcms' - Bioconductor

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30 group.mzClust<br />

group.mzClust<br />

Group Peaks via High Resolution Alignment<br />

Description<br />

Runs high resolution alignment on single spectra samples stored in a given xcmsSet.<br />

Arguments<br />

object<br />

mzppm<br />

mzabs<br />

minsamp<br />

minfrac<br />

a xcmsSet with peaks<br />

the relative error used for clustering/grouping in ppm (parts per million)<br />

the absolute error used for clustering/grouping<br />

set the minimum number of samples in one bin<br />

set the minimum fraction of each class in one bin<br />

Value<br />

Returns a xcmsSet with slots groups and groupindex set.<br />

Methods<br />

object = "xcmsSet"<br />

group(object, method="mzClust", mzppm = 20, mzabs = 0, minsamp = 1, minfrac=0)<br />

References<br />

Saira A. Kazmi, Samiran Ghosh, Dong-Guk Shin, Dennis W. Hill and David F. Grant<br />

Alignment of high resolution mass spectra: development of a heuristic approach for metabolomics.<br />

Metabolomics, Vol. 2, No. 2, 75-83 (2006)<br />

See Also<br />

xcmsSet-class,<br />

Examples<br />

## Not run:<br />

library(msdata)<br />

mzdatapath

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