Frequencies for first 10,000 rows of cl_srvc_onst_nrsdnt_sw variable in pos2011 dataset : Service: | Clinical | Laboratory- | Onsite-Nonr | esident | Freq. Percent Cum. ------------+----------------------------------- | 354 3.54 3.54 N | 9,600 96.00 99.54 Y | 46 0.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Apr 2019