

    \filetitle{ews}{Exponential smoothing}{tseries/expsmooth}

	\paragraph{Syntax}
 
 \begin{verbatim}
 X = expsmooth(X,BETA,...)
 \end{verbatim}
 \paragraph{Input arguments}
 
 \begin{itemize}
 \item
   \texttt{X} {[} tseries {]} - Input time series.
 \item
   \texttt{BETA} {[} numeric {]} - Exponential factor.
 \end{itemize}
 \paragraph{Output arguments}
 
 \begin{itemize}
 \item
   \texttt{X} {[} tseries {]} - Exponentially smoothed series.
 \end{itemize}
 \paragraph{Options}
 
 \begin{itemize}
 \item
   \texttt{'init='} {[} numeric \textbar{} \emph{\texttt{NaN}} {]} - Add
   this value before the first observation to initialise the smoothing.
 \item
   \texttt{'log='} {[} \texttt{true} \textbar{} \emph{\texttt{false}} {]}
   - Logarithmise the data before filtering, de-logarithmise afterwards.
 \end{itemize}
 \paragraph{Description}
 
 \paragraph{Examples}


