Frequencies for first 10,000 rows of urine variable in nhamcsed2013 dataset :

 Urinalysis |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      7,536       75.36       75.36
        Yes |      2,464       24.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016