Frequencies for first 10,000 rows of temptake variable in namcs2010 dataset : temperature | taken | Freq. Percent Cum. ------------+----------------------------------- no | 4,803 48.03 48.03 yes | 5,197 51.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016