Frequencies for first 10,000 rows of prov5180 variable in pos2001 dataset : medication | aides/techs | -contract | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,990 99.90 99.90 .01 | 1 0.01 99.91 .06 | 1 0.01 99.92 .09 | 1 0.01 99.93 .1 | 1 0.01 99.94 .11 | 2 0.02 99.96 .14 | 1 0.01 99.97 .17 | 1 0.01 99.98 .19 | 1 0.01 99.99 .34 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016