Frequencies for first 10,000 rows of prov6530 variable in pos2008 dataset :

 accredited |
    y match |
  date a2la |      Freq.     Percent        Cum.
------------+-----------------------------------
            |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017