Frequencies for first 10,000 rows of prov0270 variable in pos1996 dataset :

compliance: |
    patient |
  room size |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,897       98.97       98.97
          1 |        103        1.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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