Frequencies for first 10,000 rows of cldd variable in nsrd dataset : Average | Cooling | Degree Days | in Degrees | Celsius, | Base 18.3 | Degrees | Celsius | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,687 86.87 86.87 1 | 266 2.66 89.53 2 | 161 1.61 91.14 3 | 101 1.01 92.15 4 | 97 0.97 93.12 5 | 79 0.79 93.91 6 | 72 0.72 94.63 7 | 53 0.53 95.16 8 | 57 0.57 95.73 9 | 43 0.43 96.16 10 | 49 0.49 96.65 11 | 32 0.32 96.97 12 | 25 0.25 97.22 13 | 23 0.23 97.45 14 | 22 0.22 97.67 15 | 22 0.22 97.89 16 | 14 0.14 98.03 17 | 17 0.17 98.20 18 | 17 0.17 98.37 19 | 17 0.17 98.54 20 | 12 0.12 98.66 21 | 13 0.13 98.79 22 | 20 0.20 98.99 23 | 5 0.05 99.04 24 | 9 0.09 99.13 25 | 6 0.06 99.19 26 | 5 0.05 99.24 27 | 4 0.04 99.28 28 | 3 0.03 99.31 29 | 3 0.03 99.34 30 | 7 0.07 99.41 31 | 2 0.02 99.43 32 | 2 0.02 99.45 33 | 2 0.02 99.47 34 | 3 0.03 99.50 35 | 1 0.01 99.51 36 | 2 0.02 99.53 37 | 3 0.03 99.56 38 | 3 0.03 99.59 39 | 1 0.01 99.60 40 | 4 0.04 99.64 41 | 4 0.04 99.68 42 | 2 0.02 99.70 44 | 1 0.01 99.71 45 | 3 0.03 99.74 46 | 2 0.02 99.76 47 | 3 0.03 99.79 48 | 1 0.01 99.80 49 | 1 0.01 99.81 50 | 3 0.03 99.84 52 | 2 0.02 99.86 53 | 1 0.01 99.87 55 | 1 0.01 99.88 56 | 1 0.01 99.89 57 | 1 0.01 99.90 59 | 1 0.01 99.91 61 | 2 0.02 99.93 62 | 1 0.01 99.94 66 | 2 0.02 99.96 71 | 1 0.01 99.97 91 | 1 0.01 99.98 101 | 1 0.01 99.99 103 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Jun 2016