Frequencies for first 10,000 rows of nlbd variable in natl1986 dataset : Number of | children | born dead ( | fetal | deaths ) | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,160 81.60 81.60 1 | 1,425 14.25 95.85 2 | 298 2.98 98.83 3 | 74 0.74 99.57 4 | 17 0.17 99.74 5 | 7 0.07 99.81 6 | 1 0.01 99.82 7 | 2 0.02 99.84 8 | 2 0.02 99.86 99 | 14 0.14 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016