Frequencies for first 10,000 rows of febrile variable in natl2002 dataset :

    Febrile |
      (>100 |
 degrees F. |
      or 38 |
degrees C.) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        140        1.40        1.40
          2 |      9,561       95.61       97.01
          9 |        299        2.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015