title: Batch forecasting for multiple time series stored in columns using python ARIMA
body: <p>I am new to python time series. Not able to move ahead with this error. i want to forecast for multiple time series using ARIMA and store them in a dictionary or an array.</p>
  
  <pre><code>h=5
  for i in range(len(t.columns)):
  fc1= sm.tsa.ARIMA(t[:,i], (1,2,0))
  fc2=fc1.forecast(steps=h, exog=None, alpha=0.05)
  </code></pre>