Frequencies for first 10,000 rows of cl_srvc_onst_nrsdnt_sw variable in pos2008 dataset : srv: | clinical | lab-onsite- | non res | Freq. Percent Cum. ------------+----------------------------------- | 7,661 76.61 76.61 N | 2,288 22.88 99.49 Y | 51 0.51 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017