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1. Alzheimer.RData
This exemplary "20 Alzheimer's disease serum samples vs. 20 controls" data set is a subset of a publicly available ProtoArray data set.
It can be downloaded from the repository "Gene Expression Omnibus" (http://www.ncbi.nlm.nih.gov/geo/).
Search for the GEO record "GSE29676". It has been contributed by Nagele E et al..

For more information on this data set see also:
Nagele E, Han M, Demarshall C, Belinka B, Nagele R (2011):
Diagnosis of Alzheimer's disease based on disease-specific autoantibody profiles in human sera.
PLoS One 6: e23112.



2. Dummy data
Based on this data set a very small raw (i.e., gpr files) dummy data set (file names tagged with "dummy_") has been created
by massive data reduction in order to enable the demostration of the function loadGPR() in PAA's man pages and its vignette.
Additionally, this dummy data has been saved in the file "DummyData.RData".



3. Dummy data without the column description
In order to demonstrate how to import gpr files not providing the mandatory column 'Description' in copies of two dummy files (see above)
this column has been deleted. The file names of these files are tagged with 'no_descr'.



4. Results
In the files "selectFeaturesResultsEns.RData" and "selectFeaturesResultsFreq.RData" exemplary feature selection results for the Alzheimer's
disease data (see section 1) are stored.



5. Low quality ProtoArray example
In the file "BadData.RData" an exemplary ProtoArray containing a strong spacial bias is available and may be used to test the function "plotArray()".

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