Frequencies for first 10,000 rows of weight variable in namcs1993 dataset :

     weight |
  reduction |
 couns/educ |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,329       93.29       93.29
          1 |        671        6.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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