\HeaderA{getControlType}{Get the types of the control probes}{getControlType}
\keyword{methods}{getControlType}
\begin{Description}\relax
Get the types of the control probes, which is in the first column of the controlData data.frame.
\end{Description}
\begin{Usage}
\begin{verbatim}
getControlType(controlData)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{controlData}] a LumiBatch object including control data or a control data data.frame 
\end{ldescription}
\end{Arguments}
\begin{Value}
return the unique type of control probe type.
\end{Value}
\begin{Author}\relax
Pan Du
\end{Author}
\begin{SeeAlso}\relax
\code{\LinkA{addControlData2lumi}{addControlData2lumi}}
\end{SeeAlso}
\begin{Examples}
\begin{ExampleCode}
        controlFile <- system.file('doc', 'Control_Probe_Profile.txt', package='lumi')
        ## return a data.frame
        controlData <- getControlData(controlFile)
        getControlType(controlData)

\end{ExampleCode}
\end{Examples}

