Frequencies for first 10,000 rows of bfed variable in natlterr2015 dataset : Infant | Breastfed | at | Discharge Y | Yes | Freq. Percent Cum. ------------+----------------------------------- | 1,078 10.78 10.78 N | 1,513 15.13 25.91 U | 193 1.93 27.84 Y | 7,216 72.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Oct 2016