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From |
Bruno Boynard <bboynard@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Locals and Mata Script execution |

Date |
Mon, 3 Sep 2012 14:12:11 -0300 |

Really Thanks Nick, It works just fine. I was having headaches with this for some time. Bruno 2012/9/3 Nick Cox <njcoxstata@gmail.com>: > Also > > http://www.stata.com/statalist/archive/2011-01/msg00876.html > > In other words, your -st_matrix()- call each time round a loop can be > something like > > st_matrix("stub" + strofreal(i), whatever) > > On Mon, Sep 3, 2012 at 5:29 PM, Nick Cox <njcoxstata@gmail.com> wrote: >> Don't try to do this. It's probably not impossible, but it is a small >> nightmare. Have a look at >> >> SJ-11-2 pr0052 . . . . Stata tip 100: Mata and the case of the missing macros >> . . . . . . . . . . . . . . . . . . . . . . . . W. Gould and N. J. Cox >> Q2/11 SJ 11(2):323--324 (no commands) >> tip showing how to do the equivalent of Stata's macro >> substitution in Mata >> >> Nick >> >> On Mon, Sep 3, 2012 at 5:07 PM, Bruno Boynard <bboynard@gmail.com> wrote: >>> I'm having trouble using Stata locals to run MATA scripts. I tried to >>> use the same code in different versions of Stata. >>> >>> The issue is that I want to create a series of numbered matrix like >>> M1, M2, ... Mn. For that, I'm creating a counter in a loop and using >>> this counter for numbering the matrix. Finally I'm using a Stata local >>> in order to execute a MATA script. >>> >>> Below is the final code (I've tried rewriting the code in different >>> ways but always with problems): >>> >>> mata >>> >>> s_total=10000 >>> cR=55*s_total >>> lX=trunc(s_total/8000)+1 >>> lZ=trunc(cR/8000)+1 >>> i >>> for(i=1;i<=lX;i++) { >>> c=i >>> st_matrix("c",c) >>> stata("local x=c[1,1]") >>> stata("local M J(8000,5,0)") >>> stata("local Z M`x'=`M'") >>> `Z' >>> } >>> >>> end >>> >>> The main objective here is that I'd like to transfer a big Matrix (lX >>> lines in this point of the code and lZ in another) generated in Mata >>> to Stata database. To do that, I will split this Matrix in many others >>> and than export using a st_matrix in each one. I'm not using a st_view >>> because I'm generating matrix in MATA using different data bases and >>> the result is completely different from the original databases. >>> >>> Thanks in advance, >>> >>> Bruno >>> * >>> * For searches and help try: >>> * http://www.stata.com/help.cgi?search >>> * http://www.stata.com/support/statalist/faq >>> * http://www.ats.ucla.edu/stat/stata/ > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Locals and Mata Script execution***From:*Bruno Boynard <bboynard@gmail.com>

**Re: st: Locals and Mata Script execution***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: Locals and Mata Script execution***From:*Nick Cox <njcoxstata@gmail.com>

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