[R] Simple problem in R

From: Chaser <zhang816_at_gmail.com>
Date: Mon, 24 Mar 2008 12:29:35 -0700 (PDT)

I found a package on www.bioconductor.com that allows me to install using this line:

source("http://bioconductor.org/biocLite.R") biocLite("MassSpecWavelet")

The prompt showed me the following message:

Running biocinstall version 2.1.10 with R version 2.6.2 Your version of R requires version 2.1 of Bioconductor. trying URL
'http://bioconductor.org/packages/2.1/bioc/bin/windows/contrib/2.6/MassSpecWavelet_1.4.0.zip' Content type 'application/zip' length 2129961 bytes (2.0 Mb) opened URL
downloaded 2.0 Mb

package 'MassSpecWavelet' successfully unpacked and MD5 sums checked

The downloaded packages are in

        C:\Documents and Settings\Yuan\Local Settings\Temp\RtmpIjgEwP\downloaded_packages updating HTML package descriptions

In their help package, they have listed commands that will allow a sample runthrough of their algorithm using a sample dataset.

I entered these codes in but was returned the following error messages:

data(exampleMS)
Warning message:
In data(exampleMS) : data set 'exampleMS' not found
> SNR.Th <- 3
> peakInfo <- peakDetectionCWT(exampleMS, SNR.Th=SNR.Th)
Error: could not find function "peakDetectionCWT"
> majorPeakInfo = peakInfo$majorPeakInfo
Error: object "peakInfo" not found
> peakIndex <- majorPeakInfo$peakIndex

Error: object "majorPeakInfo" not found
> plotPeak(exampleMS, peakIndex, main=paste('Identified peaks with SNR >',
> SNR.Th))

Did I make a mistake somewhere or is the code they wrote flawed?

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Received on Mon 24 Mar 2008 - 19:48:26 GMT

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