Frequencies for first 10,000 rows of temptake variable in namcs2009 dataset : temperature | taken | Freq. Percent Cum. ------------+----------------------------------- no | 4,309 43.09 43.09 yes | 5,691 56.91 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016