Frequencies for first 10,000 rows of amb2 variable in nhamcsopd1996 dataset : ambulatory | surgical | proc #2 - 4 | dgt | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,922 99.22 99.22 1319 | 1 0.01 99.23 1371 | 16 0.16 99.39 1452 | 1 0.01 99.40 2250 | 2 0.02 99.42 2341 | 1 0.01 99.43 283- | 1 0.01 99.44 324- | 1 0.01 99.45 3893 | 3 0.03 99.48 3992 | 1 0.01 99.49 4229 | 1 0.01 99.50 4292 | 4 0.04 99.54 4413 | 1 0.01 99.55 4414 | 1 0.01 99.56 4419 | 1 0.01 99.57 4513 | 3 0.03 99.60 4516 | 1 0.01 99.61 4524 | 1 0.01 99.62 4542 | 5 0.05 99.67 4939 | 1 0.01 99.68 4946 | 1 0.01 99.69 5119 | 1 0.01 99.70 5421 | 2 0.02 99.72 5732 | 1 0.01 99.73 5979 | 1 0.01 99.74 631- | 1 0.01 99.75 6629 | 1 0.01 99.76 6639 | 1 0.01 99.77 6711 | 1 0.01 99.78 7848 | 1 0.01 99.79 7904 | 1 0.01 99.80 8026 | 1 0.01 99.81 8083 | 1 0.01 99.82 8521 | 1 0.01 99.83 8606 | 1 0.01 99.84 8607 | 1 0.01 99.85 8622 | 1 0.01 99.86 8627 | 1 0.01 99.87 8628 | 1 0.01 99.88 863- | 1 0.01 99.89 8659 | 1 0.01 99.90 8662 | 1 0.01 99.91 8689 | 1 0.01 99.92 9357 | 1 0.01 99.93 9359 | 3 0.03 99.96 9659 | 1 0.01 99.97 9762 | 1 0.01 99.98 9904 | 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