Frequencies for cpd_hcc55 variable in hcccoefn dataset :

drug/alcoho |
          l |
 dependence |      Freq.     Percent        Cum.
------------+-----------------------------------
       .286 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018