Frequencies for first 10,000 rows of physn_srvc_ofsite_nrsdnt_sw variable in pos2005 dataset : srv: | physician-o | ffsite-resi | dents | Freq. Percent Cum. ------------+----------------------------------- | 7,474 74.74 74.74 N | 1,938 19.38 94.12 Y | 588 5.88 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017