Frequencies for first 10,000 rows of physn_srvc_ofsite_nrsdnt_sw variable in pos2003 dataset : srv: | physician-o | ffsite-resi | dents | Freq. Percent Cum. ------------+----------------------------------- | 7,305 73.05 73.05 N | 2,124 21.24 94.29 Y | 571 5.71 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017