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st: lagged summary statistics


From   Kit Baum <baum@bc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: lagged summary statistics
Date   Fri, 27 Oct 2006 19:58:58 -0400

Shihe said

Does any one has a routine for lagged summary statistics of a time
series and would not mind to share? The "mvsumm" and "rolling" seem only
capable of calculating the not lagged statistics (Maybe I was wrong).

Maybe I'm missing something, but...


. webuse wpi1

. mvsumm wpi,gen(avgwpi) stat(mean) window(4) end

. gen lag4qtravg = L.avgwpi
(4 missing values generated)


would seem to create the lagged moving average of the variable.


Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html
An Introduction to Modern Econometrics Using Stata:
http://www.stata-press.com/books/imeus.html


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