Frequencies for ce_hcc157 variable in hcccoefn dataset :

  vertebral |
  fractures |
 without sp |      Freq.     Percent        Cum.
------------+-----------------------------------
       .443 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016