Frequencies for first 10,000 rows of lab variable in namcs2005 dataset :

 is any lab |
    testing |
  performed |
     in the |
    office? |      Freq.     Percent        Cum.
------------+-----------------------------------
        Yes |      5,782       57.82       57.82
         No |      4,218       42.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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