Frequencies for first 10,000 rows of amb1 variable in namcs1998 dataset : ambulatory | surg | procedure | #1 - 4 dgt | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,726 97.26 97.26 0392 | 1 0.01 97.27 0407 | 1 0.01 97.28 0601 | 1 0.01 97.29 0611 | 1 0.01 97.30 1279 | 1 0.01 97.31 1829 | 2 0.02 97.33 211- | 1 0.01 97.34 2121 | 1 0.01 97.35 2591 | 1 0.01 97.36 3142 | 1 0.01 97.37 3491 | 1 0.01 97.38 3893 | 1 0.01 97.39 3992 | 6 0.06 97.45 3999 | 3 0.03 97.48 4011 | 1 0.01 97.49 4513 | 1 0.01 97.50 4523 | 3 0.03 97.53 4524 | 4 0.04 97.57 480- | 1 0.01 97.58 4823 | 2 0.02 97.60 4835 | 1 0.01 97.61 4921 | 1 0.01 97.62 4945 | 2 0.02 97.64 5122 | 1 0.01 97.65 5123 | 2 0.02 97.67 5300 | 2 0.02 97.69 5310 | 2 0.02 97.71 5349 | 2 0.02 97.73 5421 | 1 0.01 97.74 5523 | 1 0.01 97.75 5732 | 6 0.06 97.81 640- | 2 0.02 97.83 6739 | 1 0.01 97.84 6812 | 1 0.01 97.85 6951 | 2 0.02 97.87 697- | 1 0.01 97.88 7021 | 3 0.03 97.91 7033 | 1 0.01 97.92 713- | 1 0.01 97.93 718- | 1 0.01 97.94 8191 | 2 0.02 97.96 8192 | 4 0.04 98.00 8339 | 1 0.01 98.01 8394 | 1 0.01 98.02 850- | 1 0.01 98.03 8511 | 7 0.07 98.10 8521 | 1 0.01 98.11 8591 | 4 0.04 98.15 8601 | 1 0.01 98.16 8603 | 1 0.01 98.17 8604 | 7 0.07 98.24 8605 | 4 0.04 98.28 8609 | 2 0.02 98.30 8611 | 11 0.11 98.41 8622 | 1 0.01 98.42 8623 | 8 0.08 98.50 8625 | 6 0.06 98.56 8628 | 10 0.10 98.66 863- | 75 0.75 99.41 8659 | 9 0.09 99.50 8929 | 1 0.01 99.51 8934 | 1 0.01 99.52 897- | 1 0.01 99.53 9357 | 4 0.04 99.57 9359 | 1 0.01 99.58 9449 | 1 0.01 99.59 9639 | 2 0.02 99.61 9652 | 6 0.06 99.67 9659 | 5 0.05 99.72 9702 | 1 0.01 99.73 9738 | 4 0.04 99.77 9739 | 1 0.01 99.78 9751 | 1 0.01 99.79 9771 | 1 0.01 99.80 9788 | 1 0.01 99.81 9789 | 11 0.11 99.92 9812 | 1 0.01 99.93 9859 | 1 0.01 99.94 9992 | 2 0.02 99.96 9999 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016