Frequencies for waterht_ variable in fmli011 dataset :

   waterht_ |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |        293        3.80        3.80
          C |        221        2.87        6.66
          D |      7,198       93.34      100.00
------------+-----------------------------------
      Total |      7,712      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016