Frequencies for first 10,000 rows of provider variable in nhamcsopd1998 dataset : provider | code | Freq. Percent Cum. ------------+----------------------------------- 1 | 169 1.69 1.69 2 | 168 1.68 3.37 6 | 151 1.51 4.88 7 | 157 1.57 6.45 11 | 133 1.33 7.78 13 | 128 1.28 9.06 16 | 135 1.35 10.41 18 | 90 0.90 11.31 19 | 107 1.07 12.38 20 | 115 1.15 13.53 22 | 162 1.62 15.15 23 | 44 0.44 15.59 31 | 35 0.35 15.94 33 | 189 1.89 17.83 34 | 89 0.89 18.72 37 | 206 2.06 20.78 39 | 116 1.16 21.94 44 | 113 1.13 23.07 45 | 88 0.88 23.95 48 | 115 1.15 25.10 52 | 137 1.37 26.47 54 | 111 1.11 27.58 57 | 109 1.09 28.67 58 | 160 1.60 30.27 60 | 94 0.94 31.21 64 | 137 1.37 32.58 65 | 191 1.91 34.49 66 | 145 1.45 35.94 69 | 119 1.19 37.13 70 | 170 1.70 38.83 75 | 153 1.53 40.36 77 | 112 1.12 41.48 78 | 186 1.86 43.34 79 | 45 0.45 43.79 80 | 179 1.79 45.58 81 | 122 1.22 46.80 89 | 96 0.96 47.76 92 | 92 0.92 48.68 106 | 130 1.30 49.98 107 | 103 1.03 51.01 108 | 138 1.38 52.39 109 | 138 1.38 53.77 112 | 120 1.20 54.97 118 | 150 1.50 56.47 122 | 123 1.23 57.70 124 | 120 1.20 58.90 125 | 198 1.98 60.88 130 | 146 1.46 62.34 137 | 170 1.70 64.04 141 | 107 1.07 65.11 142 | 148 1.48 66.59 149 | 140 1.40 67.99 150 | 134 1.34 69.33 152 | 151 1.51 70.84 155 | 179 1.79 72.63 157 | 93 0.93 73.56 159 | 61 0.61 74.17 164 | 172 1.72 75.89 165 | 111 1.11 77.00 172 | 165 1.65 78.65 173 | 78 0.78 79.43 177 | 97 0.97 80.40 181 | 98 0.98 81.38 182 | 130 1.30 82.68 184 | 68 0.68 83.36 195 | 161 1.61 84.97 200 | 156 1.56 86.53 203 | 133 1.33 87.86 206 | 108 1.08 88.94 211 | 124 1.24 90.18 212 | 130 1.30 91.48 219 | 169 1.69 93.17 220 | 99 0.99 94.16 222 | 164 1.64 95.80 230 | 138 1.38 97.18 231 | 135 1.35 98.53 232 | 32 0.32 98.85 239 | 115 1.15 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016