Frequencies for first 10,000 rows of prov5935 variable in posclia2008 dataset : current | laboratory | classsifica | tion | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,984 99.84 99.84 05 | 1 0.01 99.85 10 | 15 0.15 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016