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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
RE: st: Matrix help |

Date |
Wed, 21 May 2008 14:38:26 +0100 |

. Following the link at the bottom of the help to -help matmacfunc- leads you to the answer you seek. sysuse auto, clear regress mpg weight price local rownames : rownames e(V) di "`rownames'" Nick n.j.cox@durham.ac.uk Data Analytics Corp. But doesn't matrix rownames set and reset the names? I want to retrieve them and use them as a variable in a new matrix that I want to append to yet another matrix. Nick Cox wrote: > . > . help matrix rownames > > Nick > n.j.cox@durham.ac.uk > > Data Analytics Corp. > > I used the mat_rapp command this morning - worked perfectly, and saved > me time. I have another question, if I may. How do you retrieve the > row names and use them in the matrix M=J(n,m,value) command? Any > examples of retrieving the names from, say, e(TR)? > > Sergiy Radyakin wrote: > >> 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. >> > > >> On 5/20/08, Data Analytics Corp. <dataanalytics@earthlink.net> wrote: >> > > >>> 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? * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: Matrix help***From:*"Data Analytics Corp." <dataanalytics@earthlink.net>

**References**:**st: Matrix help***From:*"Data Analytics Corp." <dataanalytics@earthlink.net>

**Re: st: Matrix help***From:*"Sergiy Radyakin" <serjradyakin@gmail.com>

**Re: st: Matrix help***From:*"Data Analytics Corp." <dataanalytics@earthlink.net>

**RE: st: Matrix help***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**Re: st: Matrix help***From:*"Data Analytics Corp." <dataanalytics@earthlink.net>

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