Frequencies for first 10,000 rows of prov3290 variable in pos1997 dataset :

  srv: phys |
extender-on |
site-reside |
         nt |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,410       74.10       74.10
          N |      2,267       22.67       96.77
          Y |        323        3.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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