Frequencies for first 10,000 rows of hrrnum variable in ziphsahrr2002 dataset : Hospital | Referral | Regions | (HRR) | Number | Freq. Percent Cum. ------------+----------------------------------- 109 | 67 0.67 0.67 110 | 234 2.34 3.01 111 | 146 1.46 4.47 112 | 95 0.95 5.42 113 | 506 5.06 10.48 221 | 216 2.16 12.64 222 | 318 3.18 15.82 223 | 217 2.17 17.99 225 | 99 0.99 18.98 226 | 71 0.71 19.69 227 | 453 4.53 24.22 230 | 134 1.34 25.56 231 | 100 1.00 26.56 281 | 234 2.34 28.90 282 | 142 1.42 30.32 283 | 244 2.44 32.76 284 | 86 0.86 33.62 285 | 134 1.34 34.96 288 | 76 0.76 35.72 289 | 79 0.79 36.51 291 | 35 0.35 36.86 292 | 42 0.42 37.28 295 | 484 4.84 42.12 296 | 106 1.06 43.18 297 | 29 0.29 43.47 299 | 186 1.86 45.33 300 | 85 0.85 46.18 301 | 286 2.86 49.04 303 | 224 2.24 51.28 304 | 229 2.29 53.57 307 | 246 2.46 56.03 308 | 131 1.31 57.34 312 | 47 0.47 57.81 320 | 20 0.20 58.01 335 | 22 0.22 58.23 346 | 194 1.94 60.17 347 | 117 1.17 61.34 350 | 144 1.44 62.78 351 | 197 1.97 64.75 352 | 184 1.84 66.59 354 | 93 0.93 67.52 355 | 96 0.96 68.48 356 | 358 3.58 72.06 357 | 527 5.27 77.33 358 | 102 1.02 78.35 359 | 78 0.78 79.13 360 | 85 0.85 79.98 362 | 43 0.43 80.41 363 | 49 0.49 80.90 364 | 103 1.03 81.93 376 | 92 0.92 82.85 377 | 1 0.01 82.86 424 | 249 2.49 85.35 426 | 214 2.14 87.49 427 | 153 1.53 89.02 428 | 46 0.46 89.48 429 | 92 0.92 90.40 430 | 124 1.24 91.64 431 | 265 2.65 94.29 432 | 207 2.07 96.36 435 | 63 0.63 96.99 443 | 243 2.43 99.42 444 | 20 0.20 99.62 445 | 38 0.38 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018