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From |
"Martin Weiss" <martin.weiss1@gmx.de> |

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

Subject |
RE: st: AW: RE: RE: RE: RE: RE: where did my matrix go after calling -diagt- |

Date |
Thu, 18 Feb 2010 21:34:39 +0100 |

<> " I tried changing the version statement, but to no help. " Make sure you save the thing with the -version- changed and -program drop _all- in Stata so the change can take effect properly... HTH Martin -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of moleps Sent: Donnerstag, 18. Februar 2010 21:31 To: statalist@hsphsun2.harvard.edu Subject: Re: st: AW: RE: RE: RE: RE: RE: where did my matrix go after calling -diagt- I tried changing the version statement, but to no help. I ended up storing the diagti var using multiple regular variables. More cumbersome, but at least it works... Appreciate the efforts, //M On 18. feb. 2010, at 15.44, Martin Weiss wrote: > > <> > > " The revised program is your responsibility" > > > > Weirdly enough, one of the first lines of -diagti- says > > ************* > set trace off > ************* > > which added significantly to the time it took me to get to the bottom of > Moleps` problem. So killing that line may make sense if you are planning to > clone your own version anyway... > > > HTH > Martin > > > -----Ursprüngliche Nachricht----- > Von: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Nick Cox > Gesendet: Donnerstag, 18. Februar 2010 15:39 > An: statalist@hsphsun2.harvard.edu > Betreff: st: RE: RE: RE: RE: RE: where did my matrix go after calling > -diagt- > > Agreed that the finger does point in that direction. The implications for > Moleps appear to be one or both of > > 1. Use some other method for storing results. > > 2. Clone -diagti- and try changing the line -clear- to -version 10: clear-. > The revised program is your responsibility! > > Nick > n.j.cox@durham.ac.uk > > Martin Weiss > > -preserve- does not seem to have much of an effect in this example, though: > > ******* > mat a=(1,1) > mat l a > > preserve > vers 9: clear > restore > > mat l a > ******* > > Nick Cox > > But that -clear- is preceded by -preserve-, so I'm not sure that's it. > > Nick > n.j.cox@durham.ac.uk > > Martin Weiss > > " Somewhere along that chain, matrices are being cleared." > > -diagti- says: -clear- in its line 228, which these days would not hurt > Moleps' matrices. Yet in this case, -diagt- being old, it is called under > -version- 9 where a destruction of matrices was still part of -clear-`s > duties... > > Nick Cox > > You've got much more than that going on. -diagt- calls -diagti- which calls > many other things, and so on. > > Somewhere along that chain, matrices are being cleared. > > It's not your problem below, but I did notice that -diagt- overwrites any > existing matrix called T. As it destroys such a matrix any way, that's > incidental, but using a temporary name would be widely considered better > practice. > > Nick > n.j.cox@durham.ac.uk > > moleps > > I´m creating a table using diagt (available from ssc) for different cutoff > values of p. However the matrix is lost after calling diagt (version 2.0.5) > and the same happens using this example-code: > > (stata v10.1) > > (ssc install diagt) > sysuse auto.dta > gen ind=price>10000 > diagt ind foreign > mat a=(r(sens),r(spec)) > mat list a > diagt ind foreign > mat dir > > viewsource diagt.ado --no reference as far as I can tell to dropping of > matrices...Neither with diagti. > > There is a previous post with diagt for bootstrap purposes, but there is no > reference to dropping of matrices. > > > * > * 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/ * * 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: where did my matrix go after calling -diagt-***From:*moleps <moleps2@gmail.com>

**st: RE: where did my matrix go after calling -diagt-***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**st: RE: RE: where did my matrix go after calling -diagt-***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**st: RE: RE: RE: where did my matrix go after calling -diagt-***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**st: RE: RE: RE: RE: where did my matrix go after calling -diagt-***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**st: RE: RE: RE: RE: RE: where did my matrix go after calling -diagt-***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**st: AW: RE: RE: RE: RE: RE: where did my matrix go after calling -diagt-***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**Re: st: AW: RE: RE: RE: RE: RE: where did my matrix go after calling -diagt-***From:*moleps <moleps2@gmail.com>

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