Preprocessing
Preprocessing of an extern DataSet, issued from 
GenePix_Two_Colors 
technology.  
Used methods for each step
Background correction methods
method : auto
Normalization methods
methodNWA : median
methodNBA : quantile
Boxplots
Before BG
 
After BG, NWA and NBA
 
 
 
MA plots
 
Densities plot
Before BG
 
After BG
 
