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Re: st: about -cholesky()-
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: about -cholesky()-
Date
Tue, 22 May 2012 14:06:20 +0100
-prvalue- is a user-written command, whose provenance you do not give.
My guess is that your problem is a side-effect of incorrect syntax.
You use - where = seems needed for the -x()- option.
Nick
On Tue, May 22, 2012 at 1:59 PM, Huaandrew <[email protected]> wrote:
> I tried to use -prvalue- to make some prediction but ended up with the following error message in Stata:
> . prvalue, x(NYTCongyrstd -1.8190)
>
> cholesky(): matrix has missing values
>
> r(504);
>
>
> Would you please tell me what might be the possible reasons for that error?
> I searched online but didn't find how Stata implements cholesky decomposition in -prvalue-.
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