Frequencies for first 10,000 rows of dgnstc_xray_onst_rsdnt_sw variable in pos2000 dataset : srv: | xray-onsite | -residents | Freq. Percent Cum. ------------+----------------------------------- | 7,362 73.62 73.62 N | 452 4.52 78.14 Y | 2,186 21.86 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017