Frequencies for first 10,000 rows of diagsc2 variable in nhamcsopd2001 dataset : diag/screen | service | write-in #2 | - 4 digit | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,823 98.23 98.23 7535 | 3 0.03 98.26 8619 | 4 0.04 98.30 8871 | 2 0.02 98.32 8872 | 1 0.01 98.33 8876 | 1 0.01 98.34 8879 | 2 0.02 98.36 8911 | 40 0.40 98.76 8913 | 1 0.01 98.77 8914 | 1 0.01 98.78 8915 | 3 0.03 98.81 8917 | 1 0.01 98.82 8924 | 2 0.02 98.84 8934 | 8 0.08 98.92 8937 | 1 0.01 98.93 8938 | 2 0.02 98.95 8939 | 23 0.23 99.18 8941 | 1 0.01 99.19 8950 | 2 0.02 99.21 8954 | 20 0.20 99.41 9043 | 1 0.01 99.42 9059 | 7 0.07 99.49 9139 | 1 0.01 99.50 9149 | 3 0.03 99.53 9199 | 1 0.01 99.54 9304 | 1 0.01 99.55 9357 | 12 0.12 99.67 9359 | 1 0.01 99.68 9408 | 1 0.01 99.69 9505 | 2 0.02 99.71 9509 | 2 0.02 99.73 9511 | 1 0.01 99.74 9531 | 1 0.01 99.75 9541 | 8 0.08 99.83 9646 | 2 0.02 99.85 9652 | 1 0.01 99.86 9919 | 6 0.06 99.92 9999 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016