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Re: st: Re: St: Slow STATA


From   "Wagner, Joseph" <WagnerJ@edc.pitt.edu>
To   "'STATAList'" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Re: St: Slow STATA
Date   Mon, 18 Oct 2004 11:00:57 -0400


At 10:54 AM 10/12/2004 -0700, Clement Adebamowo wrote:
>>Hello;
>>I had been wrestling with the Fisher's exact test for
>>a 5 X 4 over the past few days and I can confirm that
>>it was slow. However, I update the executable this
>>afternoon and voila! - a routine that had taken me 2
>>days without posting a result before was now
>>accomplished in minutes!
>>Regards,
>>Clement

>Try following Richard Gates' earlier suggestion to 
>"use tables with the number of columns greater than 
>the number of rows" (i.e. reverse your variables and 
>make it a 4 X 5 table) and see if that goes even 
>faster. I think Richard's next assignment should be 
>in the area of space/time travel or something like 
>that!



       Age |                     Status
    Groups | Excellent  Very Good       Good       Fair       Poor |
Total
-----------+-------------------------------------------------------+--------
--
     65-70 |        29         41         44          3          0 |
117 
     70-74 |        20         50         45          5          1 |
121 
     74-78 |        19         44         51          7          0 |
121 
     78-95 |         9         38         56         12          0 |
115 
-----------+-------------------------------------------------------+--------
--
     Total |        77        173        196         27          1 |
474 


exceeded memory limits using exact(1); try again with larger #; see help
tabulate for details
r(911);


If I click on r(911), I get an error window that states - No entries found
for search on "r(911)"
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