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

 Urinalysis |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,123       91.23       91.23
        Yes |        877        8.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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