Hi Eric,

thanks a lot for this quick answer.  I indeed was not aware of the
COMMENT keyword.

Unfortunately it does not solve the problem.  When I try to export the
sample file below I still get:
'if: reference 'tbl_directories' not found in this buffer'

Cheers,
Andreas

PS: the sample (try to export it)
======================

* COMMENT Parameters
  #+CAPTION: Directories
  #+LABEL: tbl:directories
  #+tblname: tbl_directories
  | directory      | path   |
  |----------------+--------|
  | data directory | /home/ |
  | plot directory | /home/ |
  | code directory | /home/ |

  #+CAPTION: Data Files
  #+LABEL: tbl:data_files
  #+tblname: tbl_data_files
  | file                | path   |
  |---------------------+--------|
  | original data       | data   |
  | original data (csv) | data_m |


* Test
  #+begin_src R :session :exports results :results silent :var
data_dir=tbl_directories[2,1]
    library("tikzDevice")
  #+end_src
======================


Am 28.02.2011 19:56, schrieb Eric Schulte:
> Hi Andreas,
>
> I don't know about :noexport:, but to keep a subtree from exporting, I
> use the COMMENT keyword in the title, which can be done with the
> `org-toggle-comment' command bound to C-c ;.
>
> Hope this helps -- Eric
>
> Andreas Leha <andreas.leha@med.uni-goettingen.de> writes:
>
>   
>> Hi all,
>>
>> I used to have parameters in org tables, which were in secions marked
>> with 'noexport'.  Since this weekend, this does not work for me anymore.
>> Is this a bug or am I doing sth wrong here?
>>
>> Regards,
>> Andreas
>>
>> PS: the example (try to export)
>> ====================
>> * Parameters                               :noexport:
>>   #+CAPTION: Directories
>>   #+LABEL: tbl:directories
>>   #+tblname: tbl_directories
>>   | directory      | path   |
>>   |----------------+--------|
>>   | data directory | /home/ |
>>   | plot directory | /home/ |
>>   | code directory | /home/ |
>>
>>   #+CAPTION: Data Files
>>   #+LABEL: tbl:data_files
>>   #+tblname: tbl_data_files
>>   | file                | path   |
>>   |---------------------+--------|
>>   | original data       | data   |
>>   | original data (csv) | data_m |
>>
>>
>> * Test
>>   #+begin_src R :session :exports results :results silent :var
>> data_dir=tbl_directories[2,1]
>>     library("tikzDevice")
>>   #+end_src
>>
>>
>> ====================
>>
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-- 
Andreas Leha

Universitätsmedizin Göttingen
Abteilung Medizinische Statistik
Humboldtallee 32
37073 Göttingen

Tel: +49 (0)551 39-10710
Fax: +49 (0)551 39-4995

http://www.ams.med.uni-goettingen.de/amsneu/leha.html



University Medical Center Göttingen
Department for Medical Statistics
Humboldtallee 32
37073 Göttingen
Germany

Phone: +49 (0) 551 39-10710
Fax: +49 (0) 551 39-4995

http://www.ams.med.uni-goettingen.de/amsneu/leha-en.html