Frequencies for first 10,000 rows of nlbd variable in natl1987 dataset : Number of | children | born dead ( | fetal | deaths ) | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,208 82.08 82.08 1 | 1,389 13.89 95.97 2 | 296 2.96 98.93 3 | 68 0.68 99.61 4 | 14 0.14 99.75 5 | 10 0.10 99.85 6 | 4 0.04 99.89 8 | 3 0.03 99.92 99 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016