topIons: Retain spectrum with the most intense ions
In iontree: Data management and analysis of ion trees from ion-trap mass spectrometry

Retain the most intense ions in a spectrum and return sorted spectrum in 2-col matrix

1	topIons(mz, intensity, top)

`mz`	m/z
`intensity`	intensity
`top`	the number of most intense m/z to be maintained

return a 2-col matrix

Mingshu Cao

1 2	#Just sort: #topIons(mz, intensity, top=length(mz))

iontree documentation built on May 2, 2018, 2:55 a.m.

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