Frequencies for first 10,000 rows of physn_srvc_onst_rsdnt_sw variable in pos1996 dataset : srv: | physician-o | nsite-resid | ents | Freq. Percent Cum. ------------+----------------------------------- | 7,254 72.54 72.54 N | 860 8.60 81.14 Y | 1,886 18.86 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017