Frequencies for first 10,000 rows of incphys variable in nhamcsed2011 dataset : In the last | two years, | has your | ED's | physical | space been | expanded? | Freq. Percent Cum. ------------+----------------------------------- Unknown | 78 0.78 0.78 Yes | 2,479 24.79 25.57 No | 7,443 74.43 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016