st: Curios output from tabulate, exact

[Ricardo Ovaldia <ovaldia@yahoo.com>]

Dear All,

I was surprice by this output:

. tab dxstatus  c123t if familyrel=="a", exact

Enumerating sample-space combinations:
stage 3:  enumerations = 1
stage 2:  enumerations = 7
stage 1:  enumerations = 0

           |           C123T
  dxstatus |        CC         CT         TT |    
Total
-----------+---------------------------------+----------
         1 |        51         45         15 |      
111 
         4 |       195        145         40 |      
380 
-----------+---------------------------------+----------
     Total |       246        190         55 |      
491 

           Fisher's exact =                 0.509


Is the "Enumerating sample-space combinations" above
the table a new thing or left over code?

Thank you,
Ricardo.

Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK

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