Frequencies for first 10,000 rows of prov0270 variable in pos1997 dataset :

compliance: |
    patient |
  room size |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,907       99.07       99.07
          1 |         93        0.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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