Frequencies for first 10,000 rows of anyimage variable in nhamcsed2015 dataset 

Any imaging |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      5,319       53.19       53.19
        Yes |      4,681       46.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017