Frequencies for first 10,000 rows of rnlpn variable in nhamcsopd2006 dataset :

rn/lpn seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      5,064       50.64       50.64
        Yes |      4,936       49.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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