vets.dat Survival data for 137 patients from Veteran's Administration Lung Cancer Trial. Data from Kalbfleisch, J., and Prentice, R., The Statistical Analysis of Failure Time Data, John Wiley and Sons, New York, 1980. Column 1 = treatment (1 = standard, 2 = test) Column 2 = cell type 1 (1 = large, 0 = other) Column 3 = cell type 2 (1 = adeno, 0 = other) Column 4 = cell type 3 (1 = small, 0 = other) Column 5 = cell type 4 (1 = squamous, 0 = other) Column 6 = survival time (days) Column 7 = performance status (0 = worst, ..., 100 = best) Column 8 = disease duration (months) Column 9 = age (years) Column 10 = prior therapy (0 = none, 10 = some) Column 11 = status (0= censored, 1 = Died) /field = (n2,4n1,N4,4N3,N2) 1 2 3 4 5 6 7 8 9 10 11 1 0 0 0 1 72 60 7 69 0 1 1 0 0 0 1 411 70 5 64 10 1 1 0 0 0 1 228 60 3 38 0 1 1 0 0 0 1 126 60 9 63 10 1 1 0 0 0 1 118 70 11 65 10 1 1 0 0 0 1 10 20 5 49 0 1 1 0 0 0 1 82 40 10 69 10 1 1 0 0 0 1 110 80 29 68 0 1 1 0 0 0 1 314 50 18 43 0 1 1 0 0 0 1 100 70 6 70 0 0 1 0 0 0 1 42 60 4 81 0 1 1 0 0 0 1 8 40 58 63 10 1 1 0 0 0 1 144 30 4 63 0 1 1 0 0 0 1 25 80 9 52 10 0 1 0 0 0 1 11 70 11 48 10 1 1 0 0 1 0 30 60 3 61 0 1 1 0 0 1 0 384 60 9 42 0 1 1 0 0 1 0 4 40 2 35 0 1 1 0 0 1 0 54 80 4 63 10 1 1 0 0 1 0 13 60 4 56 0 1 1 0 0 1 0 123 40 3 55 0 0 1 0 0 1 0 97 60 5 67 0 0 1 0 0 1 0 153 60 14 63 10 1 1 0 0 1 0 59 30 2 65 0 1 1 0 0 1 0 117 80 3 46 0 1 1 0 0 1 0 16 30 4 53 10 1 1 0 0 1 0 151 50 12 69 0 1 1 0 0 1 0 22 60 4 68 0 1 1 0 0 1 0 56 80 12 43 10 1 1 0 0 1 0 21 40 2 55 10 1 1 0 0 1 0 18 20 15 42 0 1 1 0 0 1 0 139 80 2 64 0 1 1 0 0 1 0 20 30 5 65 0 1 1 0 0 1 0 31 75 3 65 0 1 1 0 0 1 0 52 70 2 55 0 1 1 0 0 1 0 287 60 25 66 10 1 1 0 0 1 0 18 30 4 60 0 1 1 0 0 1 0 51 60 1 67 0 1 1 0 0 1 0 122 80 28 53 0 1 1 0 0 1 0 27 60 8 62 0 1 1 0 0 1 0 54 70 1 67 0 1 1 0 0 1 0 7 50 7 72 0 1 1 0 0 1 0 63 50 11 48 0 1 1 0 0 1 0 392 40 4 68 0 1 1 0 0 1 0 10 40 23 67 10 1 1 0 1 0 0 8 20 19 61 10 1 1 0 1 0 0 92 70 10 60 0 1 1 0 1 0 0 35 40 6 62 0 1 1 0 1 0 0 117 80 2 38 0 1 1 0 1 0 0 132 80 5 50 0 1 1 0 1 0 0 12 50 4 63 10 1 1 0 1 0 0 162 80 5 64 0 1 1 0 1 0 0 3 30 3 43 0 1 1 0 1 0 0 95 80 4 34 0 1 1 1 0 0 0 177 50 16 66 10 1 1 1 0 0 0 162 80 5 62 0 1 1 1 0 0 0 216 50 15 52 0 1 1 1 0 0 0 553 70 2 47 0 1 1 1 0 0 278 60 12 63 0 1 1 1 0 0 0 12 40 12 68 10 1 1 1 0 0 0 260 80 5 45 0 1 1 1 0 0 0 200 80 12 41 10 1 1 1 0 0 0 156 70 2 66 0 1 1 1 0 0 0 182 90 2 62 0 0 1 1 0 0 0 143 90 8 60 0 1 1 1 0 0 0 105 80 11 66 0 1 1 1 0 0 0 103 80 5 38 0 1 1 1 0 0 0 250 70 8 53 10 1 1 1 0 0 0 100 60 13 37 10 1 2 0 0 0 1 999 90 12 54 10 1 2 0 0 0 1 112 80 6 60 0 1 2 0 0 0 1 87 80 3 48 0 0 2 0 0 0 1 231 50 8 52 10 0 2 0 0 0 1 242 50 1 70 0 1 2 0 0 0 1 991 70 7 50 10 1 2 0 0 0 1 111 70 3 62 0 1 2 0 0 0 1 1 20 21 65 10 1 2 0 0 0 1 587 60 3 58 0 1 2 0 0 0 1 389 90 2 62 0 1 2 0 0 0 1 33 30 6 64 0 1 2 0 0 0 1 25 20 36 63 0 1 2 0 0 0 1 357 70 13 58 0 1 2 0 0 0 1 467 90 2 64 0 1 2 0 0 0 1 201 80 28 52 10 1 2 0 0 0 1 1 50 7 35 0 1 2 0 0 0 1 30 70 11 63 0 1 2 0 0 0 1 44 60 13 70 10 1 2 0 0 0 1 283 90 2 51 0 1 2 0 0 0 1 15 50 13 40 10 1 2 0 0 1 0 25 30 2 69 0 1 2 0 0 1 0 103 70 22 36 10 0 2 0 0 1 0 21 20 4 71 0 1 2 0 0 1 0 13 30 2 62 0 1 2 0 0 1 0 87 60 2 60 0 1 2 0 0 1 0 2 40 36 44 10 1 2 0 0 1 0 20 30 9 54 10 1 2 0 0 1 0 7 20 11 66 0 1 2 0 0 1 0 24 60 8 49 0 1 2 0 0 1 0 99 70 3 72 0 1