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RE: st: Setting confidence intervals with -prvalue- after -ologit-
From
"MacLennan, Graeme" <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
RE: st: Setting confidence intervals with -prvalue- after -ologit-
Date
Thu, 1 Sep 2011 15:55:23 +0100
Nick thank you for this information. As an aside, I would like to try and track information like this down myself in future. How did you know to look "there"?
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Nick Cox
Sent: 01 September 2011 15:40
To: [email protected]
Subject: Re: st: Setting confidence intervals with -prvalue- after -ologit-
_pepred in this package insists on integer arguments; that is what biting. The restriction is documented, but you need to look at the specific help file. I don't know of any arguments for this except convention, but you need to ask the authors.
Nick
On Thu, Sep 1, 2011 at 3:22 PM, MacLennan, Graeme <[email protected]> wrote:
> I am using -prvalue- from -spost- version 9 from http://www.indiana.edu/~jslsoc/stata (-findit spost-) to get predicted probabilities and differences after using -ologit-. The command -prvalue- has a -level(#)- option to specify the width of confidence intervals. I wanted to use 97.5% Cis but it would appear that only integer values are accepted? The following syntax tells me that "option level() incorrectly specified" and "invalid syntax" repectively. If this can be reproduced, I will send off an email to the address in the help file. (Perhaps there is a good reason, or I am doing something stupid).
> Graeme.
>
>
> sysuse auto, clear
> ologit rep78 price foreign, or level(97.5) prvalue, x(foreign=0)
> level(97.5)
>
> set level 97.5
> ologit rep78 price foreign, or
> prvalue, x(foreign=0)
>
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