Dear  All
  I want to run Phillips-Perron test with no constant and trend in estimated equation in "urca" library then how i can run it  with command ur.pp()? whereas if i want to run ADF test in urca library then there is no problem.Kindly guide me in this regard.
  Thanks


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