## 9.12 Further reading

• The classic text which popularised ARIMA modelling was . The most recent edition is , and it is still an excellent reference for all things ARIMA.
• provides a good introduction to the mathematical background to the models.
• The Hyndman-Khandakar algorithm for automatically selecting an ARIMA model is described in .
• describes some alternative automatic algorithms to the one used by ARIMA().