Frequencies for first 10,000 rows of urinecx variable in namcs2002 dataset :

      Urine |
    culture |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,917       99.17       99.17
        Yes |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016