Frequencies for first 10,000 rows of temptake variable in nhamcsopd2005 dataset :

temperature |
      taken |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      4,847       48.47       48.47
        yes |      5,153       51.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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