Frequencies for first 10,000 rows of nlbd variable in natl1985 dataset : Number of | children | born dead ( | fetal | deaths ) | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,216 82.16 82.16 1 | 1,372 13.72 95.88 2 | 292 2.92 98.80 3 | 78 0.78 99.58 4 | 21 0.21 99.79 5 | 9 0.09 99.88 6 | 3 0.03 99.91 99 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016