Frequencies for first 10,000 rows of deprn variable in nhamcsopd2008 dataset :

       does |
patient now |
      have: |
 depression |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,131       91.31       91.31
        yes |        869        8.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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