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Re: st: How to get parts of XB matrix
From
Austin Nichols <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: How to get parts of XB matrix
Date
Fri, 3 Jun 2011 17:56:41 -0400
Zhi Su <[email protected]> :
Something like
g xb=0
foreach v of loc X {
replace xb=xb+'v'*_b['v']
}
On Friday, June 3, 2011, Zhi Su <[email protected]> wrote:
> Dear statalist,
>
> I run a regression Y=XB+u, with 30 independent variables. I want to
> get predicted XB of 15 independent variables among 30 independent
> variables.
> Here are my questions
> 1.The coefficient of an independent variable x is stored in _b[x].
> Is _b[x] a vector or scalar?
> 2. Generally, I use "local" to assign X I want in to a local macro
> name. And I can easily change X in the local macro name. How can I
> utilize this local macro name when I create XB matrix with independent
> variables I want?
>
> Thank you!
>
> --
> Zhi Su
> 348 Holmes Hall
> Northeastern University
> 360 Huntington Avenue
> Boston, MA 02115
> Office:1-617-373-2316
> email:[email protected]
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