Frequencies for first 10,000 rows of amb2r variable in nhamcsopd1998 dataset : ambulatory | surg proc | #2 - | numeric | recode | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,959 99.59 99.59 391 | 1 0.01 99.60 4229 | 9 0.09 99.69 4292 | 2 0.02 99.71 4513 | 4 0.04 99.75 4523 | 2 0.02 99.77 4524 | 1 0.01 99.78 4525 | 1 0.01 99.79 4921 | 1 0.01 99.80 5359 | 1 0.01 99.81 5732 | 1 0.01 99.82 6700 | 2 0.02 99.84 6712 | 3 0.03 99.87 6959 | 1 0.01 99.88 7024 | 1 0.01 99.89 7536 | 1 0.01 99.90 7803 | 1 0.01 99.91 8628 | 1 0.01 99.92 8630 | 2 0.02 99.94 8669 | 1 0.01 99.95 8919 | 1 0.01 99.96 9152 | 1 0.01 99.97 9618 | 1 0.01 99.98 9764 | 1 0.01 99.99 9999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016