[R] Simple problem in R

[Henrique Dallazuanna]

library(MassSpecWavelet)

On 24/03/2008, Chaser <zhang816 at gmail.com> wrote:
>
>  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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>
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>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O