On Mon, 07 Sep 2009, PackRat wrote:
> In the real world, t1 and t2 (and several additional rows) have over 
> 20,000 values of market data.  What I'm trying (unsuccessfully) to do 

I suspect it'll be more efficient to unbox and box as a single
operation.

   <"1 mm#"1>t1
   +--------+--------+--------+--------+
   |20090904|20090903|20090902|20090901|
   +--------+--------+--------+--------+
      
But I would rather store it as a rank-2 character array than as a box
array of rank-1 strings if the number of rows is large. 

-- 
regards,
====================================================
GPG key 1024D/4434BAB3 2008-08-24
gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to