Frequencies for first 10,000 rows of grwthdev variable in namcs2005 dataset : growth/deve | lopment | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,306 93.06 93.06 1 | 694 6.94 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016