Frequencies for first 10,000 rows of pt_ofsite_rsdnt_sw variable in pos1994 dataset : srv: phys | ther-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,565 75.65 75.65 N | 2,239 22.39 98.04 Y | 196 1.96 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017