Frequencies for first 10,000 rows of admithos variable in nhamcsed1995 dataset : admitted to | hospital | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,846 88.46 88.46 1 | 1,154 11.54 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016