Frequencies for first 10,000 rows of temptake variable in nhamcsopd2006 dataset :

temperature |
      taken |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      5,428       54.28       54.28
        Yes |      4,572       45.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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