DataSet 2 --------- Data set contains 36 months of defect-discovery times for a release of Controller Software consisting of about 500,000 lines of code installed on over 100,000 controllers. The defects are those that were present in the code of the particular release of the software, and were discovered as a result of failures reported by users of that release, or possibly of the follow-on release of the product [Kenn93a,Kenn93b]. -------------- Day Defect -------------- 12 1 15 2 28 3 39 4 53 5 53 6 60 7 60 8 60 9 63 10 68 11 68 12 82 13 91 14 97 15 97 16 102 17 103 18 103 19 104 20 105 21 109 22 109 23 113 24 125 25 126 26 131 27 158 28 165 29 166 30 166 31 173 32 183 33 189 34 193 35 194 36 202 37 204 38 214 39 229 40 230 41 235 42 235 43 237 44 238 45 238 46 239 47 243 48 251 49 253 50 257 51 260 52 263 53 266 54 268 55 271 56 271 57 272 58 274 59 279 60 284 61 288 62 288 63 291 64 293 65 299 66 305 67 308 68 323 69 323 70 327 71 328 72 333 73 336 74 347 75 349 76 369 77 389 78 392 79 393 80 405 81 410 82 411 83 411 84 417 85 435 86 435 87 435 88 435 89 441 90 441 91 453 92 467 93 468 94 488 95 509 96 512 97 517 98 558 99 559 100 573 101 587 102 644 103 644 104 655 105 728 106 734 107 769 108 783 109 994 110 1064 111