Frequencies for first 10,000 rows of prov1540 variable in pos1995 dataset :

  organized |
   resident |
      group |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,518       75.18       75.18
          N |        834        8.34       83.52
          Y |      1,648       16.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016