Frequencies for first 10,000 rows of meconium variable in natl1992 dataset :

 Meconium - |
moderate/he |
        avy |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        417        4.17        4.17
          2 |      9,547       95.47       99.64
          9 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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