Frequencies for first 10,000 rows of incphys variable in nhamcsed2010 dataset : In the last | two years, | has your | ED's | physical | space been | expanded? | Freq. Percent Cum. ------------+----------------------------------- unknown | 65 0.65 0.65 yes | 2,034 20.34 20.99 no | 7,901 79.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016