Frequencies for first 10,000 rows of prov6430 variable in posclia2009 dataset : total ppm | test | volumes | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,744 97.44 97.44 2 | 6 0.06 97.50 3 | 2 0.02 97.52 4 | 1 0.01 97.53 5 | 6 0.06 97.59 6 | 1 0.01 97.60 7 | 4 0.04 97.64 8 | 2 0.02 97.66 10 | 5 0.05 97.71 11 | 2 0.02 97.73 12 | 1 0.01 97.74 13 | 1 0.01 97.75 14 | 2 0.02 97.77 17 | 1 0.01 97.78 20 | 6 0.06 97.84 22 | 1 0.01 97.85 24 | 2 0.02 97.87 25 | 4 0.04 97.91 30 | 2 0.02 97.93 32 | 1 0.01 97.94 35 | 1 0.01 97.95 36 | 4 0.04 97.99 38 | 1 0.01 98.00 41 | 1 0.01 98.01 42 | 1 0.01 98.02 47 | 1 0.01 98.03 50 | 18 0.18 98.21 58 | 1 0.01 98.22 60 | 3 0.03 98.25 61 | 1 0.01 98.26 64 | 2 0.02 98.28 75 | 2 0.02 98.30 77 | 1 0.01 98.31 80 | 1 0.01 98.32 83 | 1 0.01 98.33 86 | 1 0.01 98.34 95 | 1 0.01 98.35 100 | 15 0.15 98.50 102 | 1 0.01 98.51 120 | 1 0.01 98.52 138 | 1 0.01 98.53 139 | 1 0.01 98.54 148 | 1 0.01 98.55 150 | 10 0.10 98.65 152 | 1 0.01 98.66 160 | 1 0.01 98.67 200 | 12 0.12 98.79 205 | 1 0.01 98.80 210 | 1 0.01 98.81 213 | 1 0.01 98.82 219 | 1 0.01 98.83 240 | 1 0.01 98.84 250 | 3 0.03 98.87 260 | 1 0.01 98.88 265 | 1 0.01 98.89 300 | 10 0.10 98.99 316 | 1 0.01 99.00 350 | 1 0.01 99.01 400 | 5 0.05 99.06 430 | 1 0.01 99.07 440 | 1 0.01 99.08 479 | 1 0.01 99.09 489 | 1 0.01 99.10 500 | 11 0.11 99.21 559 | 1 0.01 99.22 564 | 1 0.01 99.23 600 | 1 0.01 99.24 650 | 1 0.01 99.25 661 | 1 0.01 99.26 680 | 1 0.01 99.27 688 | 1 0.01 99.28 700 | 2 0.02 99.30 720 | 1 0.01 99.31 732 | 1 0.01 99.32 750 | 1 0.01 99.33 797 | 1 0.01 99.34 800 | 1 0.01 99.35 887 | 1 0.01 99.36 889 | 1 0.01 99.37 957 | 1 0.01 99.38 1000 | 10 0.10 99.48 1019 | 1 0.01 99.49 1020 | 1 0.01 99.50 1030 | 1 0.01 99.51 1066 | 1 0.01 99.52 1100 | 2 0.02 99.54 1125 | 1 0.01 99.55 1135 | 1 0.01 99.56 1200 | 2 0.02 99.58 1382 | 1 0.01 99.59 1440 | 1 0.01 99.60 1487 | 1 0.01 99.61 1500 | 1 0.01 99.62 1560 | 1 0.01 99.63 1571 | 1 0.01 99.64 1700 | 1 0.01 99.65 1898 | 1 0.01 99.66 1900 | 1 0.01 99.67 2000 | 5 0.05 99.72 2203 | 1 0.01 99.73 2260 | 1 0.01 99.74 2472 | 1 0.01 99.75 2600 | 2 0.02 99.77 2673 | 1 0.01 99.78 2880 | 1 0.01 99.79 2890 | 1 0.01 99.80 3000 | 1 0.01 99.81 4000 | 3 0.03 99.84 5000 | 1 0.01 99.85 5400 | 1 0.01 99.86 6000 | 1 0.01 99.87 6062 | 1 0.01 99.88 6100 | 1 0.01 99.89 6661 | 1 0.01 99.90 7000 | 1 0.01 99.91 7200 | 1 0.01 99.92 8000 | 1 0.01 99.93 8428 | 1 0.01 99.94 9800 | 1 0.01 99.95 11508 | 1 0.01 99.96 16000 | 1 0.01 99.97 16768 | 1 0.01 99.98 22720 | 1 0.01 99.99 100000 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016