Frequencies for first 10,000 rows of digsc22d variable in nhamcsopd2006 dataset : diagnostic | service #2 | - 2 digit | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,856 98.56 98.56 73 | 1 0.01 98.57 75 | 17 0.17 98.74 86 | 3 0.03 98.77 89 | 36 0.36 99.13 90 | 12 0.12 99.25 91 | 18 0.18 99.43 92 | 1 0.01 99.44 93 | 2 0.02 99.46 94 | 8 0.08 99.54 95 | 17 0.17 99.71 99 | 29 0.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016