Frequencies for first 10,000 rows of DGNSTC_XRAY_ONST_RSDNT_SW variable in pos2011 dataset : Service: | X-ray | On-Site | Residents | Freq. Percent Cum. ------------+----------------------------------- | 354 3.54 3.54 N | 7,775 77.75 81.29 Y | 1,871 18.71 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2019