Dear all
  i am working for seasonal unit root test analysis for quaterly series of Pakistan in R.My question is how i can run  Hegy test for quaterly series command in uroot library? If there is another library then help me in this regard.My purpose is just to perform unit root analysis for quaterly series.
  Thanks


Zahid Khan
Lecturer in Statistics
Department of Mathematics
Hazara University Mansehra.
       
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