Frequencies for first 10,000 rows of hgba variable in namcs2008 dataset : hgba1c | Freq. Percent Cum. ------------+----------------------------------- no | 9,545 95.45 95.45 yes | 455 4.55 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016