Frequencies for first 10,000 rows of rectype variable in natlterr2012 dataset :

Record Type |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,085       60.85       60.85
          2 |      3,915       39.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016