"Here are two versions of the Stanford Heart Transplant data. The first is from Kalbfleisch and Prentice (first edition) while the second is from from Crowley and Hu. The two versions are slightly different, and the X matrix is sufficiently ill-conditioned that the variations make a big difference. Thanks to Terry Therneau for noticing the problems and providing both data sets. Note: Here the Kalbfleisch and Prentice data is used. Information about the dataset CLASSTYPE: numeric CLASSINDEX: none specific " "0" "stanford" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "yes" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "yes" "no" "yes" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "no" "yes" "no" "no" "no" "no" "yes" "no" "yes" "yes" "no" "no" "no" "no" "no" "no" "no" "no" "no" "yes" "yes" "no" "yes" "yes" "no" "no" "yes" "no" "no" "no" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "alive" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "alive" "dead" "dead" "dead" "dead" "dead" "alive" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "dead" "alive" "dead" "alive" "dead" "dead" "dead" "alive" "dead" "dead" "dead" "dead" "dead" "alive" "dead" "dead" "dead" "dead" "dead" "alive" "dead" "alive" "alive" "alive" "alive" "alive" "alive" "alive" "dead" "alive" "alive" "alive" "dead" "dead" "alive" "dead" "alive" "alive" "dead" "dead" "dead" "alive" "alive" "dead" "alive" "alive" "alive" "alive" "alive" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "transplanted" "not_transplanted" "transplanted" "transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "transplanted" "transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "not_transplanted" "transplanted" "transplanted" "not_transplanted" "not_transplanted" "transplanted" "transplanted" 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"transplanted" "transplanted" "transplanted" "transplanted" nan nan nan nan nan nan nan 0.87 nan nan nan nan nan nan nan 0 nan 1.1 0.69 nan nan nan 2.76 1.68 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan 0.82 0 1.33 1.62 nan 0.33 1.08 1.02 1.12 0.6 nan 0.16 1.82 0.68 1.44 nan 1.94 1.41 0.81 1.7 0.12 1.46 0.97 1.2 1.32 0.96 1.93 1.58 0.19 0.98 0 0.81 1.13 1.35 0.98 0.87 nan 0.75 0.38 0.91 1.06 15 43 61 75 6 42 54 38 85 2 103 12 48 102 35 95 31 3 74 5 77 99 20 70 101 66 29 17 19 4 100 8 44 16 45 1 22 39 10 35 37 68 60 62 28 47 32 65 83 13 9 73 79 36 32 98 87 97 37 11 94 96 90 53 89 24 27 93 51 67 16 84 91 92 58 88 86 82 81 80 78 76 64 72 71 69 7 23 63 30 59 56 50 46 21 49 41 14 26 40 34 33 25 68 70 71 72 68 70 71 70 73 68 67 68 71 74 70 73 69 68 72 68 72 73 69 72 74 72 69 68 68 68 74 68 70 68 71 67 69 70 68 71 70 72 71 71 69 71 69 72 73 68 68 72 72 70 71 73 73 73 71 68 73 73 73 71 73 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1 5 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 36 38 -2147483648 -2147483648 20 1 -2147483648 12 2 12 10 19 3 3 -2147483648 71 21 17 12 32 17 -2147483648 27 67 46 -2147483648 96 60 21 -2147483648 26 4 13 160 41 139 83 -2147483648 28 32 57 28 37 -2147483648 310 21 31 8 -2147483648 6 26 210 46 32 4 31 10 51 3 27 16 78 67 83 2 8 36 58 37 -2147483648 41 23 51 25 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 3 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 0 -2147483648 2 1 -2147483648 -2147483648 -2147483648 3 3 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 3 3 -2147483648 -2147483648 3 1 -2147483648 3 0 2 2 3 3 3 -2147483648 2 3 4 2 4 3 -2147483648 3 2 2 -2147483648 4 2 3 -2147483648 1 3 2 3 0 4 3 -2147483648 2 4 3 2 4 -2147483648 1 2 3 3 -2147483648 4 3 3 3 1 3 3 2 4 3 3 4 2 4 0 2 2 4 2 1 -2147483648 4 2 3 2 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 0 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 0 -2147483648 0 0 -2147483648 -2147483648 -2147483648 1 1 -2147483648 -2147483648 -2147483648 -2147483648 -2147483648 0 0 -2147483648 -2147483648 0 0 -2147483648 0 0 1 1 0 0 0 -2147483648 0 0 0 0 0 0 -2147483648 1 0 0 -2147483648 1 0 1 -2147483648 0 0 0 1 0 1 1 -2147483648 0 1 0 0 0 -2147483648 0 1 0 1 -2147483648 1 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 -2147483648 0 0 0 0 "Patient_id" "Year_of_acceptance" "Age" "Survival_Status" "Survival_Time" "Prior_Surgery" "Transplant_Status" "Waiting_Time_for_Transplant" "Mismatch_on_alleles" "Mismatch_on_antigen" "Mismatch_score" "int0" "Survival_Status" "int1" "Prior_Surgery" "Transplant_Status" "int2" "double3" "numeric" "numeric" "numeric" "nominal:alive,dead" "numeric" "nominal:no,yes" "nominal:not_transplanted,transplanted" "numeric" "numeric" "numeric" "numeric"