Frequencies for first 10,000 rows of urine variable in namcs2015 dataset :

 Urinalysis |
       (UA) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,011       90.11       90.11
          1 |        989        9.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017