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srv2
2006 Aug 24
0
ca.po Pz test question
...straight-forward - Var1~ Var2*k1 + intercept +u. and u is tested for having a unit root.
for Pz there it looks like
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 0.010013 0.002409 4.156 3.40e-05 ***
zrV1 0.971824 0.006092 159.536 < 2e-16 ***
zrV2 0.108994 0.047737 2.283 0.0225 *
is it an equation for first differences? like if zrV1 is the first differ for V1 and zrV2 is the first diff for zrV2 then
k1*zrV1+k2*zrV2+intercept~0 ???
3) and the last question - why for Pz there is an option to use demean="trend" an...