Frequencies for first 10,000 rows of prov3260 variable in pos2006 dataset : physician | extender - | part time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,978 99.78 99.78 .03 | 4 0.04 99.82 .09 | 2 0.02 99.84 .14 | 2 0.02 99.86 .21 | 1 0.01 99.87 .23 | 1 0.01 99.88 .29 | 2 0.02 99.90 .31 | 1 0.01 99.91 .36 | 1 0.01 99.92 .43 | 2 0.02 99.94 .46 | 3 0.03 99.97 .8 | 1 0.01 99.98 .86 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016