Frequencies for first 10,000 rows of proc4 variable in nhamcsopd1993 dataset : service #4 | procedure | code - 4 | digits | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,857 98.57 98.57 1319 | 2 0.02 98.59 1341 | 4 0.04 98.63 1371 | 2 0.02 98.65 2169 | 1 0.01 98.66 344- | 1 0.01 98.67 4523 | 1 0.01 98.68 4542 | 1 0.01 98.69 5732 | 1 0.01 98.70 5794 | 1 0.01 98.71 6011 | 1 0.01 98.72 6639 | 1 0.01 98.73 6711 | 1 0.01 98.74 6712 | 1 0.01 98.75 6909 | 4 0.04 98.79 6951 | 1 0.01 98.80 7796 | 1 0.01 98.81 8021 | 1 0.01 98.82 8026 | 1 0.01 98.83 8036 | 1 0.01 98.84 8521 | 1 0.01 98.85 8541 | 1 0.01 98.86 8699 | 1 0.01 98.87 8724 | 1 0.01 98.88 8737 | 3 0.03 98.91 8741 | 1 0.01 98.92 8744 | 5 0.05 98.97 8759 | 1 0.01 98.98 8779 | 2 0.02 99.00 8801 | 1 0.01 99.01 8821 | 2 0.02 99.03 8826 | 2 0.02 99.05 8828 | 2 0.02 99.07 8832 | 1 0.01 99.08 8838 | 1 0.01 99.09 8875 | 1 0.01 99.10 8878 | 5 0.05 99.15 8879 | 4 0.04 99.19 8897 | 1 0.01 99.20 8922 | 1 0.01 99.21 8926 | 2 0.02 99.23 8936 | 2 0.02 99.25 8939 | 5 0.05 99.30 8952 | 7 0.07 99.37 9032 | 1 0.01 99.38 9092 | 2 0.02 99.40 9099 | 4 0.04 99.44 9132 | 2 0.02 99.46 9133 | 1 0.01 99.47 9141 | 1 0.01 99.48 9142 | 26 0.26 99.74 9143 | 1 0.01 99.75 9146 | 4 0.04 99.79 9319 | 2 0.02 99.81 9335 | 1 0.01 99.82 9353 | 1 0.01 99.83 9354 | 2 0.02 99.85 9359 | 1 0.01 99.86 9439 | 3 0.03 99.89 9465 | 1 0.01 99.90 9505 | 2 0.02 99.92 9509 | 1 0.01 99.93 9999 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016