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Following various sources including this post, which is the correct approach to making a time-series stationary?

  1. Remove trend
  2. Remove seasonality

or

  1. Remove seasonality with estimated trend
  2. Re-estimate trend from de-seasoned data
  3. Remove trend
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Alexander McFarlane
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    As always (after spending hours looking at various sources) as soon as I post a question I find the solution: This [link](http://au.mathworks.com/help/econ/seasonal-adjustment-using-snxd7m-seasonal-filters.html) explains how to do this in MatLab but the process is explained very clearly – Alexander McFarlane Jun 29 '15 at 01:34

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