Frequencies for first 10,000 rows of nlbd variable in natl1982 dataset : Number of | children | born dead ( | fetal | deaths ) | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,247 82.47 82.47 1 | 1,389 13.89 96.36 2 | 269 2.69 99.05 3 | 58 0.58 99.63 4 | 19 0.19 99.82 5 | 11 0.11 99.93 6 | 1 0.01 99.94 99 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016