Frequencies for first 10,000 rows of cl_srvc_ofsite_rsdnt_sw variable in pos2000 dataset :

       srv: |
   clinical |
lab-offsite |
  -resident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,362       73.62       73.62
          N |      1,999       19.99       93.61
          Y |        639        6.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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