Frequencies for first 10,000 rows of urine variable in namcs2010 dataset :

 urinalysis |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,200       92.00       92.00
        yes |        800        8.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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