Frequencies for first 10,000 rows of urine variable in nhamcsed1992 dataset :

 Urinalysis |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,529       85.29       85.29
          1 |      1,471       14.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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