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st: Re: parmest

From   Roger Newson <[email protected]>
To   [email protected]
Subject   st: Re: parmest
Date   Tue, 16 Mar 2004 21:27:22 +0000

At 14:03 16/03/04 -0600, TEWODAJ MOGUES <[email protected]>
Hello Roger Newson
Thanks for your message on parmest. I have Stata 7. I downloaded the parmest file from your website, but it seems to be an ado file. So I guess there's no way for me to type in the parmest command from the interactive mode in Stata, using the options such as escal emac and avec? I have to run the ado file for stata to create a dataset with not only the parameters etc but also other tests? I looked in the stata search for parmest, and among the options listed were not the options escal, emac and avec.
Ado files can be used in interactive mode. If you type, in Stata,

net from
net desc parmest
net install parmest

then the Stata 7 -parmest- will be installed on your system. If you then type

help parmest

then you will get the on-line help for -parmest-, including the options -escal()-, -emac()- and -evec()-. And if in the -auto- data you type

parmby "logit foreign mpg weight", label escal(N ll_0 ll df_m chi2 r2_p) norestore

then you will find that there is a -parmby- output data set in the memory, containing extra variables named es_1 to es_6, which contain the estimation results e(N), e(ll_0), e(ll), e(df_m), e(chi2) and e(r2_p), respectively. For more information on estimation results in general, see the online help for -estimates-. For a guide to estimation results for -logit-, read the Reference manual under -[R] logit-.

I hope this helps.

Best wishes


Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
King's College London
5th Floor, Capital House
42 Weston Street
London SE1 3QD
United Kingdom

Tel: 020 7848 6648 International +44 20 7848 6648
Fax: 020 7848 6620 International +44 20 7848 6620
or 020 7848 6605 International +44 20 7848 6605
Email: [email protected]

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