Frequencies for first 10,000 rows of rn_7_day_wvr_sw variable in pos2011 dataset :

Compliance: |
      7 Day |
 Registered |
      Nurse |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        354        3.54        3.54
          N |      9,645       96.45       99.99
          Y |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019