Frequencies for first 10,000 rows of htwtfl variable in namcs2015 dataset : Did height | or weight | fall | outside of | acceptable | ranges? | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,919 99.19 99.19 1 | 81 0.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017