Re: st: somersd error message

[Barry Quinn <brotherbarry@me.com>]

Roger, 

I rebooted the computer and now it works fine.

Thanks for you help on this 

Barry
On 31 Oct 2012, at 12:36, Roger B. Newson wrote:

> This is very curious INDEED. Do you get exactly the same error message as before, or another one? Because -lsomersd.mlib- should DEFINITELY include the -tidottree()- function. If it doesn't, then it is not the correct -lsomersd.mlib-.
> 
> Best wishes
> 
> Roger
> 
> Roger B Newson BSc MSc DPhil
> Lecturer in Medical Statistics
> Respiratory Epidemiology and Public Health Group
> National Heart and Lung Institute
> Imperial College London
> Royal Brompton Campus
> Room 33, Emmanuel Kaye Building
> 1B Manresa Road
> London SW3 6LR
> UNITED KINGDOM
> Tel: +44 (0)20 7352 8121 ext 3381
> Fax: +44 (0)20 7351 8322
> Email: r.newson@imperial.ac.uk
> Web page: http://www.imperial.ac.uk/nhli/r.newson/
> Departmental Web page:
> http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/
> 
> Opinions expressed are those of the author, not of the institution.
> 
> On 31/10/2012 11:46, Barry Quinn wrote:
>> Roger,
>> 
>> It is very strange as after restarting and running -mata: mata query-  I get
>>   Mata settings
>>         set matastrict      off
>>         set matalnum        off
>>         set mataoptimize    on
>>         set matafavor       space      may be space or speed
>>         set matacache       400        kilobytes
>>         set matalibs        lmatabase;lmataado;lmataopt;lmatasem;lsomersd
>>         set matamofirst     off
>> 
>> which now includes the lsomersd.mlib.
>> 
>> But still this previous error message persists
>> 
>> Barry
>> 
>> On 31 Oct 2012, at 11:08, Roger B. Newson wrote:
>> 
>>> Yes, as Maarten says, that is essentially the problem, and it is one that I am commonly asked about privately. My standard answer is given below.
>>> 
>>> Best wishes
>>> 
>>> Roger
>>> 
>>> **** BEGINNING OF STANDARD ANSWER - CUT HERE
>>> 
>>> I think the solution here is to exit Stata after downloading -
>>> somersd-, and then to launch Stata again, and then to try to use
>>> -somersd- (or -cendif- or -censlope-).
>>> 
>>> The reason that this usually works is that -somersd- contains
>>> a Mata library, containing several Mata programs such as -
>>> tidottree()-. Stata usually has a path of Mata libraries,
>>> which it searches for Mata programs. If you type, in Stata,
>>> 
>>> . mata: mata query
>>> 
>>> then Stata will give some output similar to:
>>> 
>>> -------------------------------------------------------------------------------
>>>   Mata settings
>>>       set matastrict      off
>>>       set matalnum        off
>>>       set mataoptimize    on
>>>       set matafavor       space      may be space or speed
>>>       set matacache       400        kilobytes
>>>       set matalibs lmatabase;lmataado;lmataopt;lmatasem;lmoremata;lmoremata10;lsomersd;ltt;l_cfrmt
>>>       set matamofirst     off
>>> 
>>> This strange output gives the Mata settings, which include -set
>>> matalibs-, which gives the path of Mata libraries searched. In
>>> this case, this path includes -lsomersd.milb-, the Mata library
>>> installed with the -somersd- package.
>>> 
>>> However, in some versions of Stata, if you install -somersd-,
>>> then the -set matalibs- path is not immediately updated to
>>> include - lsomersd.mlib-. In these versions of Stata, if you
>>> exit and then re-launch, then Stata builds the new -set
>>> matalibs- path at launch time, by searching its ado-file path
>>> for -.mlib- files. At that point, Stata will find -
>>> lsomersd.mlib- and ad it to the path.
>>> 
>>> I hope this helps. Let me know if you have any more queries.
>>> 
>>> **** END OF STANDARD ANSWER - CUT HERE
>>> 
>>> 
>>> Roger B Newson BSc MSc DPhil
>>> Lecturer in Medical Statistics
>>> Respiratory Epidemiology and Public Health Group
>>> National Heart and Lung Institute
>>> Imperial College London
>>> Royal Brompton Campus
>>> Room 33, Emmanuel Kaye Building
>>> 1B Manresa Road
>>> London SW3 6LR
>>> UNITED KINGDOM
>>> Tel: +44 (0)20 7352 8121 ext 3381
>>> Fax: +44 (0)20 7351 8322
>>> Email: r.newson@imperial.ac.uk
>>> Web page: http://www.imperial.ac.uk/nhli/r.newson/
>>> Departmental Web page:
>>> http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/
>>> 
>>> Opinions expressed are those of the author, not of the institution.
>>> 
>>> On 31/10/2012 11:01, Maarten Buis wrote:
>>>> --- On Wed, Oct 31, 2012 at 11:37 AM, Barry Quinn wrote:
>>>>> I am using Stata12 on a Mac and have recently used -ssc install- to install the above package.
>>>>> 
>>>>> i am continually get the following error when running the command
>>>>> 
>>>>> tidotforsomersd():  3499  tidottree() not found
>>>>>                  <istmt>:     -  function returned error
>>>>> r(3499);
>>>>> 
>>>>> my Stata12 is updated to the latest version and i have used the auto.dta example from the help file which also produces the above error.
>>>> 
>>>> I suspect that the problem is that -somersd- uses a pre-compiled Mata
>>>> function library. In order for Mata (and thus Stata ( and thus
>>>> -somersd-)) to use it, it first needs to add it to its index. However,
>>>> this does not happen automatically after you install a program with
>>>> -ssc-. The reason is that that would also clear the Mata (not Stata)
>>>> memory, which would be very un-stataish behavior for a Stata program
>>>> like -ssc-, though probably unproblematic in most cases. As soon as
>>>> you restart Stata, Stata will automatically index the necessary Mata
>>>> functions and -somersd- should run. Alternatively, you don't have to
>>>> restart Stata if you type -mata:mata mlib index-. Anyhow, if this is
>>>> the problem than this issue only bites in the Stata session in which
>>>> you installed -somersd-.
>>>> 
>>>> -- Maarten
>>>> 
>>>> 
>>>> ---------------------------------
>>>> Maarten L. Buis
>>>> WZB
>>>> Reichpietschufer 50
>>>> 10785 Berlin
>>>> Germany
>>>> 
>>>> http://www.maartenbuis.nl
>>>> ---------------------------------
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