Frequencies for first 10,000 rows of prov2945 variable in pos1992 dataset : consulting | physicians- | arrangement | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,921 99.21 99.21 .03 | 1 0.01 99.22 .1 | 1 0.01 99.23 .12 | 1 0.01 99.24 .25 | 2 0.02 99.26 .4 | 1 0.01 99.27 .75 | 1 0.01 99.28 1 | 69 0.69 99.97 2 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016