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Re: st: Matrix help


From   "Sergiy Radyakin" <serjradyakin@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Matrix help
Date   Tue, 20 May 2008 11:50:17 -0400

Dear Walter,

matrix M=J(n,m,value) will create a matrix size nxm filled with value "value".
you will need it to create the column identifying source.

mat_capp M : M1 M2 will stitch two matrices together taking columns
from M1 then from M2 and storing them in M. You will need it to put
the id-column into your matrices

mat_rapp M : M1 M2 will stitch two matrices together taking rows from
M1 them from M2 and storing them in M. . You will need it to combine
e(TR) and e(TC).

net search matrix save
will return a number of commands to export matrices. choose one that
produces output in a suitable format.

Best regards,
   Sergiy Radyakin


On 5/20/08, Data Analytics Corp. <dataanalytics@earthlink.net> wrote:
> Good morning,
>
> I just ran a simple correspondence analysis and I would now like to export
> the coordinates to another program  In particular, I'd like to stack the two
> matrices of coordinates contained in e(TR) (which is R x J) and e(TC) (which
> is C x J) into one matrix, add a column identifying the source (with values
> say, a 1 for e(TR) and 2 for e(TC)), resulting in an (R + C) x (j +1)
> matrix, and then export the matrix, with rownames, to an ASCII
> comma-separated file.  Can this be done and how?
>
> Thanks,
>
> Walt
>
> --
> ________________________
>
> Walter R. Paczkowski, Ph.D.
> Data Analytics Corp.
> 44 Hamilton Lane
> Plainsboro, NJ 08536
> ________________________
> (V) 609-936-8999
> (F) 609-936-3733
> dataanalytics@earthlink.net
> www.dataanalyticscorp.com
>
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