aveSpec: Compute mean spectrum of a set of spectra
In PROcess: Ciphergen SELDI-TOF Processing

Description Usage Arguments Details Value Author(s) Examples

Compute mean spectrum of a set of spectra.

1	aveSpec(nVec)

nVec

A character vector of file names.

'aveSpec' computes the point-wise mean of intensities of a set of spectra over the whole range of the m/z values.

A matrix with 2 columns, the first being the m/z values and the 2nd being the average of intensities corresponding to the m/z value in the first column of the same row.

Xiaochun Li

1
2
3

testfs <- dir(system.file("Test", package = "PROcess"),
	full.names=TRUE)
testAve <- aveSpec(testfs)

Loading required package: Icens
Loading required package: survival

Attaching package: ‘PROcess’

The following object is masked from ‘package:stats’:

    sigma