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From |
"Patrick Sturgis" <p.sturgis@surrey.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: RE: RE: RE: version 7 > 8 |

Date |
Fri, 5 Dec 2003 18:37:50 -0000 |

I promise to keep it quiet. Problem(s) solved, many thanks, Patrick -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Nick Cox Sent: 05 December 2003 16:47 To: statalist Subject: st: RE: RE: RE: version 7 > 8 Don't mention it in public, but I did not look at the manual; I relied on what was left behind after your call to -alpha-. If we fix that point and use instead program avcorwithin, rclass version 8.0 tempname y alpha bef*, std scalar `y' = r(rho) alpha aft*, std return scalar diff = r(rho) - `y' end and bootstrap "avcorwithin" r(diff), reps(1000) then I get no error message. I am using Stata/SE 8.2 with files up to date as of 31 Oct 2003 (exe) and 5 Nov 2003 (ado). I manufactured variables -aft1- -aft2- -bef1- -bef2-. Nick n.j.cox@durham.ac.uk Patrick Sturgis > > Stata Reference Manual says that in r(rho) alpha 'saves the average > interitem correlation if std is specified'. I think my > original problem was > that I hadn't specified std aftter alpha in the ado file. > However, I still > get the same error message about versions even when I use > your suggested > code. Thanks for your help, Nick Cox > As you know, Stata has a rather > elaborate system of version control designed > to maximise the extent to which old programs > can work with newer versions of Stata, > which does very occasionally not do what > users hope. > > However, although you are getting a message about > versions, it could just be a side-effect > of another mistake in your program. Guessing > that -avcorwithin2- here is just a modification > of -avcorwithin- mentioned in your previous > post, I see an error there: -alpha- does > not leave behind any result in r(rho). > > You might be better off with something more > this: > > program avcorwithin, rclass > version 8.0 > tempname y > alpha bef* > scalar `y' = r(alpha) > alpha aft* > return scalar diff = r(alpha) - `y' > end > > bootstrap "avcorwithin" r(diff), reps(1000) > > Nick > n.j.cox@durham.ac.uk > > Patrick Sturgis > > > I am getting the following error message when running a > > *.ado file written > > in version 7 in version 8: > > > > command -> avcorwithin2 > > error when command executed on original dataset under > > version 8 control > > > > I'd aprreciate it if someone could tell me what this means. * * 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/ * * 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/

**References**:**st: RE: RE: RE: version 7 > 8***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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