ur.sp-class: Representation of class `ur.sp'
Description
This class contains the relevant information by applying the Schmidt
& Phillips Unit Root Test to a time series.Extends
Class "urca", directly.References
Schmidt, P. and Phillips, P.C.B. (1992), LM Test for a Unit Root in
the Presence of Deterministic Trends, Oxford Bulletin of Economics and
Statistics, 54(3), 257--287.
Download possible at: http://cowles.econ.yale.edu/, see rubric
'Discussion Papers (CFDPs)'.