Frequencies for first 10,000 rows of ctother variable in nhamcsed2014 dataset :

  CT scan - |
      other |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,763       97.63       97.63
        Yes |        237        2.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017