Frequencies for first 10,000 rows of prov1580 variable in pos1992 dataset : renal | dialysis | facility | code | Freq. Percent Cum. ------------+----------------------------------- | 9,648 96.48 96.48 A | 352 3.52 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017