I've tried that and still get the same error message. Ado file now reads:
program define alphatest
version 7.0
if "`1'" == "?" {
global s1 "alphatest"
exit
}
tempname y
alpha bef1 bef2 bef3 bef4
scalar `y' = r(alpha)
alpha aft1 aft2 aft3 aft4
post `1' (`y'-`r(alpha)')
end
Patrick
-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Steichen,
Thomas
Sent: 11 April 2003 22:31
To: statalist
Subject: st: RE: bootstrap help
Your leading single quotes should be back-quotes... for example,
'1' should be `1'.
Tom
> -----Original Message-----
> From: Patrick Sturgis [mailto:[email protected]]
> Sent: Friday, April 11, 2003 5:21 PM
> To: [email protected]
> Subject: st: bootstrap help
>
>
> Stata 7.0
>
> I'm having problems getting a bootstrap to work. I'm trying
> to get standard errors for the difference between two
> Cronbach's alpha coefficients. I've used the example of
> bootstrapping the ratio of two means from the stata 7 manual
> (A-G p 171) as a template to produce the following ado file
> (bef* are the first 4 variables and aft* the second 4 that I
> wish to compare):
>
> program define alphatest
> version 7.0
> if "'1'" == "?" {
> global s1 "alphatest"
> exit
> }
> tempname y
> alpha bef1 bef2 bef3 bef4
> scalar 'y' = r(alpha)
> alpha aft1 aft2 aft3 aft4
> post '1' ('y' - 'r(alpha)')
> end
>
> Every time I run it (bstrap aphatest, reps(100) I get the
> following error
> message:
>
> unexpected end of file
> "alphatest ?" returned:
> unexpected end of file
>
> I have stored the ado file in my c:/stata/personal folder.
> Any ideas where I'm going wrong? Thanks
>
> Patrick
>
> *
> * For searches and help try:
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> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
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