Frequencies for first 10,000 rows of pt_ofsite_rsdnt_sw variable in pos2000 dataset : srv: phys | ther-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,362 73.62 73.62 N | 2,472 24.72 98.34 Y | 166 1.66 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017