Frequencies for first 10,000 rows of popct variable in nhamcsed2011 dataset : Initial | vital | signs: | Pulse | oximetry | (percent) | Freq. Percent Cum. ------------+----------------------------------- Blank | 1,345 13.45 13.45 1 | 1 0.01 13.46 2 | 7 0.07 13.53 8 | 1 0.01 13.54 9 | 3 0.03 13.57 10 | 4 0.04 13.61 15 | 1 0.01 13.62 16 | 1 0.01 13.63 18 | 3 0.03 13.66 20 | 1 0.01 13.67 43 | 1 0.01 13.68 49 | 1 0.01 13.69 51 | 1 0.01 13.70 52 | 1 0.01 13.71 53 | 1 0.01 13.72 54 | 1 0.01 13.73 55 | 1 0.01 13.74 56 | 1 0.01 13.75 57 | 1 0.01 13.76 58 | 3 0.03 13.79 60 | 2 0.02 13.81 61 | 2 0.02 13.83 62 | 4 0.04 13.87 63 | 4 0.04 13.91 64 | 1 0.01 13.92 65 | 2 0.02 13.94 66 | 5 0.05 13.99 67 | 1 0.01 14.00 68 | 2 0.02 14.02 69 | 4 0.04 14.06 70 | 9 0.09 14.15 71 | 7 0.07 14.22 72 | 11 0.11 14.33 73 | 6 0.06 14.39 74 | 12 0.12 14.51 75 | 9 0.09 14.60 76 | 15 0.15 14.75 77 | 7 0.07 14.82 78 | 15 0.15 14.97 79 | 8 0.08 15.05 80 | 12 0.12 15.17 81 | 7 0.07 15.24 82 | 9 0.09 15.33 83 | 5 0.05 15.38 84 | 13 0.13 15.51 85 | 10 0.10 15.61 86 | 25 0.25 15.86 87 | 16 0.16 16.02 88 | 28 0.28 16.30 89 | 19 0.19 16.49 90 | 40 0.40 16.89 91 | 26 0.26 17.15 92 | 82 0.82 17.97 93 | 96 0.96 18.93 94 | 156 1.56 20.49 95 | 339 3.39 23.88 96 | 742 7.42 31.30 97 | 1,138 11.38 42.68 98 | 1,780 17.80 60.48 99 | 1,635 16.35 76.83 100 | 2,317 23.17 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016