Frequencies for first 10,000 rows of pccqoc variable in namcs2007 dataset :

for patient |
       care |
compensatio |
      n, is |
 quality of |
 care taken |
       into |
   account? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        104        1.04        1.04
    unknown |      1,685       16.85       17.89
        yes |      2,355       23.55       41.44
         no |      5,856       58.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016