Frequencies for first 10,000 rows of prov3470 variable in pos2005 dataset :

       srv: |
vocational- |
onsite-resi |
      dents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,474       74.74       74.74
          N |      2,365       23.65       98.39
          Y |        161        1.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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