Frequencies for first 10,000 rows of room_size_wvr_sw variable in pos1993 dataset :

compliance: |
    patient |
  room size |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,891       98.91       98.91
          1 |        109        1.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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