Frequencies for first 10,000 rows of uca_rectal variable in natlterr2006 dataset :

     Rectal |
Atresia/Ste |
  nosis RFP |
759=f_uca_r |
    ectal U |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |      4,784       47.84       47.84
          9 |      1,491       14.91       62.75
          . |      3,725       37.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015