Frequencies for first 10,000 rows of urinecx variable in nhamcsed2015 dataset :

      Urine |
    culture |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,039       90.39       90.39
        Yes |        961        9.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017