Frequencies for first 10,000 rows of anyimage variable in namcs2008 dataset :

any imaging |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      8,809       88.09       88.09
        yes |      1,191       11.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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