Frequencies for first 10,000 rows of amb1 variable in nhamcsopd1997 dataset : ambulatory | surgical | procedure | #1 | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,575 95.75 95.75 0331 | 1 0.01 95.76 0391 | 5 0.05 95.81 0392 | 31 0.31 96.12 0395 | 2 0.02 96.14 0481 | 3 0.03 96.17 0531 | 6 0.06 96.23 0601 | 1 0.01 96.24 0881 | 1 0.01 96.25 0889 | 1 0.01 96.26 0893 | 1 0.01 96.27 1319 | 1 0.01 96.28 1364 | 3 0.03 96.31 1425 | 1 0.01 96.32 1474 | 1 0.01 96.33 1691 | 1 0.01 96.34 1811 | 1 0.01 96.35 1812 | 1 0.01 96.36 1829 | 1 0.01 96.37 2001 | 2 0.02 96.39 2103 | 1 0.01 96.40 2188 | 1 0.01 96.41 2319 | 1 0.01 96.42 282- | 1 0.01 96.43 283- | 2 0.02 96.45 311- | 1 0.01 96.46 3142 | 2 0.02 96.48 3423 | 1 0.01 96.49 3491 | 2 0.02 96.51 3721 | 1 0.01 96.52 3812 | 2 0.02 96.54 4131 | 2 0.02 96.56 4413 | 2 0.02 96.58 4414 | 2 0.02 96.60 4513 | 3 0.03 96.63 4516 | 2 0.02 96.65 4523 | 19 0.19 96.84 4524 | 17 0.17 97.01 4525 | 6 0.06 97.07 4709 | 1 0.01 97.08 4799 | 1 0.01 97.09 4823 | 3 0.03 97.12 4946 | 1 0.01 97.13 5011 | 1 0.01 97.14 5019 | 1 0.01 97.15 5110 | 1 0.01 97.16 5123 | 1 0.01 97.17 5300 | 3 0.03 97.20 5302 | 1 0.01 97.21 5349 | 1 0.01 97.22 5421 | 1 0.01 97.23 5451 | 2 0.02 97.25 5732 | 8 0.08 97.33 6011 | 1 0.01 97.34 6373 | 2 0.02 97.36 640- | 3 0.03 97.39 6629 | 2 0.02 97.41 6639 | 1 0.01 97.42 6711 | 2 0.02 97.44 6712 | 5 0.05 97.49 672- | 1 0.01 97.50 6739 | 2 0.02 97.52 675- | 1 0.01 97.53 6812 | 1 0.01 97.54 6816 | 7 0.07 97.61 6901 | 3 0.03 97.64 6909 | 4 0.04 97.68 6951 | 5 0.05 97.73 7021 | 11 0.11 97.84 7111 | 1 0.01 97.85 736- | 1 0.01 97.86 751- | 5 0.05 97.91 7535 | 13 0.13 98.04 7569 | 1 0.01 98.05 7869 | 1 0.01 98.06 7902 | 1 0.01 98.07 7903 | 1 0.01 98.08 7933 | 1 0.01 98.09 7936 | 1 0.01 98.10 7975 | 1 0.01 98.11 8020 | 1 0.01 98.12 8021 | 1 0.01 98.13 8026 | 5 0.05 98.18 806- | 1 0.01 98.19 8086 | 1 0.01 98.20 8191 | 6 0.06 98.26 8192 | 3 0.03 98.29 8221 | 1 0.01 98.30 8395 | 1 0.01 98.31 8396 | 2 0.02 98.33 8511 | 1 0.01 98.34 8550 | 2 0.02 98.36 8591 | 2 0.02 98.38 8601 | 1 0.01 98.39 8604 | 4 0.04 98.43 8605 | 3 0.03 98.46 8609 | 1 0.01 98.47 8611 | 5 0.05 98.52 8619 | 3 0.03 98.55 8623 | 2 0.02 98.57 8624 | 1 0.01 98.58 8625 | 2 0.02 98.60 8627 | 1 0.01 98.61 8628 | 2 0.02 98.63 863- | 34 0.34 98.97 8659 | 7 0.07 99.04 8684 | 1 0.01 99.05 8840 | 1 0.01 99.06 8939 | 1 0.01 99.07 9141 | 1 0.01 99.08 9142 | 1 0.01 99.09 9326 | 1 0.01 99.10 9357 | 4 0.04 99.14 9359 | 13 0.13 99.27 9375 | 1 0.01 99.28 9449 | 2 0.02 99.30 9605 | 1 0.01 99.31 9652 | 3 0.03 99.34 9657 | 1 0.01 99.35 9702 | 1 0.01 99.36 9738 | 3 0.03 99.39 9788 | 4 0.04 99.43 9789 | 35 0.35 99.78 9826 | 1 0.01 99.79 9829 | 1 0.01 99.80 9903 | 7 0.07 99.87 9907 | 8 0.08 99.95 9999 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016