Frequencies for first 10,000 rows of prov3260 variable in pos1995 dataset : physician | extender - | part time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,982 99.82 99.82 .01 | 1 0.01 99.83 .03 | 1 0.01 99.84 .06 | 1 0.01 99.85 .09 | 3 0.03 99.88 .14 | 2 0.02 99.90 .33 | 1 0.01 99.91 .39 | 1 0.01 99.92 .46 | 1 0.01 99.93 .51 | 2 0.02 99.95 .57 | 3 0.03 99.98 .86 | 1 0.01 99.99 1.14 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016