title: Use of regressors with TBATS model from forecast package
body: <p>Does anyone know if it is possible to use regressors with the TBATS model in the R <code>forecast</code> package?</p>
  
  <p>From the help file it looks like you can add additional parameters for ARMA and since ARIMA takes regressors (i.e <code>xreg = X</code> ) I was wondering if I could pass regressors to TBATS if I use ARMA  (<code>using.arma.erros=TRUE</code>) in my TBATS model.</p>
  
  <p>Im still a pretty new R use so I would really appreciate any guidance.</p>