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st: -rvlrplot- on SSC


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: -rvlrplot- on SSC
Date   Tue, 24 Sep 2002 23:15:15 +0100

Thanks to Kit Baum, a -rvlrplot- package 
is now available on SSC for plotting 
residuals from a model fitted to time series. This
is a 

_r_esiduals _v_ersus _l_agged _r_esiduals _p_lot 

That is, -rvlrplot- plots residuals from the last model versus lagged
(i.e. lag 1) residuals. Data must have been -tsset- previously.

More precisely, residuals are whatever -predict, res- produces
after a model. The plot is restricted to the estimation sample.
The correlation between residuals and lagged residuals is
calculated quietly. This may be retrieved by -return list-
and then (say) used in a second pass giving the correlation
on the graph.

Stata 7 is required. 

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