Frequencies for first 10,000 rows of grwthdev variable in namcs2003 dataset : growth/deve | lopment | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,708 97.08 97.08 1 | 292 2.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016