Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

st: Re: Re: Re: RE: Multiple commands under "By varlist"?


From   "Subhankar Nayak" <nayak@bellsouth.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Re: Re: RE: Multiple commands under "By varlist"?
Date   Sat, 26 Jun 2004 10:48:44 -0400

Thanks Michael.
You are right.

The statsby in our mainframe version of stata seems very old.
I get the following info:

. which statsby
/usr/local/stata7/ado/base/s/statsby.ado
*! version 1.0.8  01jun2001

I will talk to my university system administrator to update these...


----- Original Message ----- 
From: "Michael Blasnik" <michael.blasnik@verizon.net>
To: <statalist@hsphsun2.harvard.edu>
Sent: Saturday, June 26, 2004 10:22 AM
Subject: st: Re: Re: RE: Multiple commands under "By varlist"?


> I wonder if you are using an up-to-date -statsby- that included some
> dramatic speed improvements for larger panel datasets like you are
> sing.  -which statsby- shows the following for me:
>
> *! version 2.0.5  13apr2004
>
> The key speed improvement is from doing away with the -if- statements in
the
> group identification in the code and instead using -in-.  I find that
> statsby with a regression on 1000 panels takes only slightly longer than
> by...:regress.  Your finding of 15-20x longer indicates that you are most
> likely using the older version.
>
> Michael Blasnik
> michael.blasnik@verizon.net


*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index