Frequencies for first 10,000 rows of popct variable in nhamcsed2009 dataset : initial | vital | signs: | pulse | oximetry | (percent) | Freq. Percent Cum. ------------+----------------------------------- -9 | 1,394 13.94 13.94 0 | 8 0.08 14.02 2 | 1 0.01 14.03 6 | 1 0.01 14.04 9 | 5 0.05 14.09 10 | 2 0.02 14.11 15 | 2 0.02 14.13 23 | 1 0.01 14.14 28 | 1 0.01 14.15 49 | 1 0.01 14.16 51 | 1 0.01 14.17 58 | 1 0.01 14.18 60 | 2 0.02 14.20 62 | 1 0.01 14.21 63 | 1 0.01 14.22 65 | 1 0.01 14.23 67 | 1 0.01 14.24 68 | 3 0.03 14.27 69 | 2 0.02 14.29 71 | 1 0.01 14.30 72 | 1 0.01 14.31 74 | 3 0.03 14.34 75 | 2 0.02 14.36 76 | 2 0.02 14.38 77 | 3 0.03 14.41 78 | 2 0.02 14.43 79 | 6 0.06 14.49 80 | 7 0.07 14.56 81 | 6 0.06 14.62 82 | 4 0.04 14.66 83 | 6 0.06 14.72 84 | 8 0.08 14.80 85 | 4 0.04 14.84 86 | 7 0.07 14.91 87 | 9 0.09 15.00 88 | 20 0.20 15.20 89 | 19 0.19 15.39 90 | 41 0.41 15.80 91 | 36 0.36 16.16 92 | 60 0.60 16.76 93 | 84 0.84 17.60 94 | 179 1.79 19.39 95 | 391 3.91 23.30 96 | 721 7.21 30.51 97 | 1,131 11.31 41.82 98 | 1,844 18.44 60.26 99 | 1,786 17.86 78.12 100 | 2,188 21.88 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016