Frequencies for first 10,000 rows of prov5955 variable in posclia2008 dataset : laboratory | classificat | ion 2 | Freq. Percent Cum. ------------+----------------------------------- | 1,947 19.47 19.47 00 | 8,053 80.53 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016