Frequencies for first 10,000 rows of prov0690 variable in pos2004 dataset : type of | non-partici | pating | provider | Freq. Percent Cum. ------------+----------------------------------- | 9,902 99.02 99.02 E | 31 0.31 99.33 F | 67 0.67 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016