\HeaderA{listFilter}{Subsetting an expression set using a list of Affymetrix ids}{listFilter}
\keyword{methods}{listFilter}
\begin{Description}\relax
This function subsets the normalized expression set present in the affylmGUI environment
on the basis of a list of probe set ids passed via flat file.
\end{Description}
\begin{Usage}
\begin{verbatim}
listFilter()
\end{verbatim}
\end{Usage}
\begin{Details}\relax
The function asks to the user to select a file containing probe set ids separated by
carriage return. The file should contain only one column and no header.
\end{Details}
\begin{Note}\relax
In transcriptional studies focusing on genes characterized by specific feature 
(i.e. transcription factor elements in promoters) the best filtering approach is 
selecting only those genes linked to the interesting biological feature.
\end{Note}
\begin{Author}\relax
Raffaele A Calogero
\end{Author}
\begin{SeeAlso}\relax
IPAlistFilter, iqrFilter, intensityFilter
\end{SeeAlso}

