Frequencies for first 10,000 rows of room_size_wvr_sw variable in pos2007 dataset :

compliance: |
    patient |
  room size |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,926       99.26       99.26
          1 |         74        0.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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