Frequencies for first 10,000 rows of amb2r variable in nhamcsopd1999 dataset : ambulatory | surg proc | #2 - | numeric | recode | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,908 99.08 99.08 392 | 1 0.01 99.09 820 | 1 0.01 99.10 2169 | 1 0.01 99.11 3009 | 1 0.01 99.12 3422 | 1 0.01 99.13 3950 | 2 0.02 99.15 4011 | 2 0.02 99.17 4023 | 1 0.01 99.18 4224 | 1 0.01 99.19 4292 | 6 0.06 99.25 4413 | 1 0.01 99.26 4513 | 3 0.03 99.29 4516 | 2 0.02 99.31 4523 | 3 0.03 99.34 4542 | 15 0.15 99.49 5491 | 1 0.01 99.50 5600 | 2 0.02 99.52 5631 | 1 0.01 99.53 5700 | 1 0.01 99.54 5732 | 1 0.01 99.55 5749 | 2 0.02 99.57 5980 | 1 0.01 99.58 6539 | 1 0.01 99.59 6720 | 1 0.01 99.60 6909 | 3 0.03 99.63 8016 | 1 0.01 99.64 8060 | 4 0.04 99.68 8086 | 5 0.05 99.73 8098 | 1 0.01 99.74 8192 | 1 0.01 99.75 8201 | 1 0.01 99.76 8519 | 3 0.03 99.79 8611 | 1 0.01 99.80 8628 | 2 0.02 99.82 8630 | 3 0.03 99.85 8669 | 4 0.04 99.89 8773 | 1 0.01 99.90 8853 | 1 0.01 99.91 9357 | 2 0.02 99.93 9639 | 3 0.03 99.96 9652 | 1 0.01 99.97 9811 | 1 0.01 99.98 9999 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016