Frequencies for first 10,000 rows of prov3470 variable in pos2002 dataset :

       srv: |
vocational- |
onsite-resi |
      dents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,326       73.26       73.26
          N |      2,501       25.01       98.27
          Y |        173        1.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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