Frequencies for first 10,000 rows of ca_disor variable in natl2005 dataset :

  Suspected |
Chromosonal |
 Disorder R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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