Frequencies for first 10,000 rows of ld_indl variable in natlterr2015 dataset :

  Induction |
 of Labor Y |
        Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,078       10.78       10.78
          N |      8,204       82.04       92.82
          U |        102        1.02       93.84
          Y |        616        6.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Oct 2016