Frequencies for first 10,000 rows of incntr_nctrnl_srvc_sw variable in pos2014 In-Center | Nocturnal | Hemodialysi | s Services | In | Freq. Percent Cum. ------------+----------------------------------- | 9,045 90.45 90.45 N | 925 9.25 99.70 Y | 30 0.30 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016