Decision tree for classification 1 if Iron_avg<0.02175 then node 2 elseif Iron_avg>=0.02175 then node 3 else H 2 if Turb_avg<0.285 then node 4 elseif Turb_avg>=0.285 then node 5 else L 3 if Turb_avg<0.235 then node 6 elseif Turb_avg>=0.235 then node 7 else H 4 if Iron_avg<0.0119725 then node 8 elseif Iron_avg>=0.0119725 then node 9 else L 5 if Fe_unlined<0.895511 then node 10 elseif Fe_unlined>=0.895511 then node 11 else H 6 if Iron_avg<0.0395 then node 12 elseif Iron_avg>=0.0395 then node 13 else H 7 if WTW turb<0.15125 then node 14 elseif WTW turb>=0.15125 then node 15 else H 8 if Mn_avg<0.3194 then node 16 elseif Mn_avg>=0.3194 then node 17 else L 9 if contacts<15 then node 18 elseif contacts>=15 then node 19 else L 10 if Mn_avg<0.000765 then node 20 elseif Mn_avg>=0.000765 then node 21 else H 11 class = L 12 if Fe_unlined<0.158198 then node 22 elseif Fe_unlined>=0.158198 then node 23 else H 13 if Fe_unlined<0.886351 then node 24 elseif Fe_unlined>=0.886351 then node 25 else H 14 if Turb_avg<0.39 then node 26 elseif Turb_avg>=0.39 then node 27 else H 15 if Mn_avg<0.01055 then node 28 elseif Mn_avg>=0.01055 then node 29 else H 16 if contacts<1.5 then node 30 elseif contacts>=1.5 then node 31 else L 17 class = H 18 if Fe_unlined<0.133714 then node 32 elseif Fe_unlined>=0.133714 then node 33 else L 19 if Iron_avg<0.013655 then node 34 elseif Iron_avg>=0.013655 then node 35 else H 20 class = L 21 class = H 22 if Fe_unlined<0.125264 then node 36 elseif Fe_unlined>=0.125264 then node 37 else H 23 if Fe_lined<0.0762268 then node 38 elseif Fe_lined>=0.0762268 then node 39 else L 24 if Turb_avg<0.1225 then node 40 elseif Turb_avg>=0.1225 then node 41 else H 25 class = L 26 if Mn_avg<0.0092 then node 42 elseif Mn_avg>=0.0092 then node 43 else H 27 class = H 28 class = L 29 class = H 30 if Mn_avg<0.001875 then node 44 elseif Mn_avg>=0.001875 then node 45 else L 31 if Fe_unlined<0.0167535 then node 46 elseif Fe_unlined>=0.0167535 then node 47 else L 32 if Fe_lined<0.439955 then node 48 elseif Fe_lined>=0.439955 then node 49 else L 33 if Mn_avg<0.000775 then node 50 elseif Mn_avg>=0.000775 then node 51 else L 34 class = H 35 class = H 36 if Mn_avg<0.00295 then node 52 elseif Mn_avg>=0.00295 then node 53 else H 37 if contacts<29 then node 54 elseif contacts>=29 then node 55 else H 38 if Fe_lined<0.0376713 then node 56 elseif Fe_lined>=0.0376713 then node 57 else L 39 class = L 40 if Iron_avg<0.04175 then node 58 elseif Iron_avg>=0.04175 then node 59 else H 41 if WTW turb<0.125 then node 60 elseif WTW turb>=0.125 then node 61 else H 42 if contacts<28.5 then node 62 elseif contacts>=28.5 then node 63 else H 43 class = H 44 class = L 45 if Mn_avg<0.00195 then node 64 elseif Mn_avg>=0.00195 then node 65 else L 46 class = H 47 if Iron_avg<0.00227 then node 66 elseif Iron_avg>=0.00227 then node 67 else L 48 class = L 49 class = L 50 class = L 51 if Fe_lined<0.222953 then node 68 elseif Fe_lined>=0.222953 then node 69 else L 52 if Iron_avg<0.02955 then node 70 elseif Iron_avg>=0.02955 then node 71 else L 53 class = H 54 if Iron_avg<0.036175 then node 72 elseif Iron_avg>=0.036175 then node 73 else H 55 class = L 56 if Iron_avg<0.0311625 then node 74 elseif Iron_avg>=0.0311625 then node 75 else L 57 if Mn_avg<0.002195 then node 76 elseif Mn_avg>=0.002195 then node 77 else H 58 class = L 59 if WTW turb<0.095 then node 78 elseif WTW turb>=0.095 then node 79 else H 60 if Turb_avg<0.2275 then node 80 elseif Turb_avg>=0.2275 then node 81 else H 61 class = L 62 class = H 63 if contacts<49.5 then node 82 elseif contacts>=49.5 then node 83 else H 64 class = H 65 class = L 66 class = H 67 if contacts<12.5 then node 84 elseif contacts>=12.5 then node 85 else L 68 if Fe_unlined<0.181775 then node 86 elseif Fe_unlined>=0.181775 then node 87 else L 69 class = L 70 class = L 71 if Iron_avg<0.031945 then node 88 elseif Iron_avg>=0.031945 then node 89 else H 72 class = H 73 class = H 74 if Iron_avg<0.03029 then node 90 elseif Iron_avg>=0.03029 then node 91 else L 75 class = L 76 class = L 77 class = H 78 if Mn_avg<0.002325 then node 92 elseif Mn_avg>=0.002325 then node 93 else H 79 if Iron_avg<0.0681 then node 94 elseif Iron_avg>=0.0681 then node 95 else L 80 if Fe_lined<0.489401 then node 96 elseif Fe_lined>=0.489401 then node 97 else H 81 class = L 82 class = L 83 class = H 84 if Fe_lined<0.000721623 then node 98 elseif Fe_lined>=0.000721623 then node 99 else L 85 if Fe_lined<0.126592 then node 100 elseif Fe_lined>=0.126592 then node 101 else L 86 class = H 87 if Iron_avg<0.01852 then node 102 elseif Iron_avg>=0.01852 then node 103 else L 88 class = H 89 class = L 90 if contacts<4.5 then node 104 elseif contacts>=4.5 then node 105 else L 91 class = H 92 class = H 93 if Fe_unlined<0.166712 then node 106 elseif Fe_unlined>=0.166712 then node 107 else H 94 if Mn_avg<0.0011725 then node 108 elseif Mn_avg>=0.0011725 then node 109 else L 95 class = H 96 if Fe_lined<0.013707 then node 110 elseif Fe_lined>=0.013707 then node 111 else H 97 class = L 98 if Mn_avg<0.000985 then node 112 elseif Mn_avg>=0.000985 then node 113 else L 99 class = L 100 class = L 101 if Fe_lined<0.274525 then node 114 elseif Fe_lined>=0.274525 then node 115 else H 102 if Turb_avg<0.1025 then node 116 elseif Turb_avg>=0.1025 then node 117 else H 103 class = L 104 if Iron_avg<0.02379 then node 118 elseif Iron_avg>=0.02379 then node 119 else L 105 class = H 106 if Iron_avg<0.0545 then node 120 elseif Iron_avg>=0.0545 then node 121 else H 107 class = L 108 class = H 109 if Fe_unlined<0.814842 then node 122 elseif Fe_unlined>=0.814842 then node 123 else L 110 if Iron_avg<0.15225 then node 124 elseif Iron_avg>=0.15225 then node 125 else H 111 class = H 112 class = L 113 class = L 114 class = H 115 class = L 116 if Mn_avg<0.0016 then node 126 elseif Mn_avg>=0.0016 then node 127 else L 117 class = H 118 class = L 119 class = L 120 class = L 121 class = H 122 if Fe_lined<0.182087 then node 128 elseif Fe_lined>=0.182087 then node 129 else L 123 class = H 124 if Iron_avg<0.05407 then node 130 elseif Iron_avg>=0.05407 then node 131 else H 125 class = L 126 class = L 127 if Iron_avg<0.01325 then node 132 elseif Iron_avg>=0.01325 then node 133 else H 128 class = L 129 class = L 130 class = H 131 if Mn_avg<0.00344 then node 134 elseif Mn_avg>=0.00344 then node 135 else H 132 class = L 133 if Fe_lined<0.0858093 then node 136 elseif Fe_lined>=0.0858093 then node 137 else H 134 class = H 135 class = H 136 if Fe_lined<0.0125413 then node 138 elseif Fe_lined>=0.0125413 then node 139 else H 137 class = H 138 if contacts<3.5 then node 140 elseif contacts>=3.5 then node 141 else H 139 class = L 140 if Iron_avg<0.0141975 then node 142 elseif Iron_avg>=0.0141975 then node 143 else H 141 class = L 142 class = L 143 if Mn_avg<0.003845 then node 144 elseif Mn_avg>=0.003845 then node 145 else H 144 class = H 145 class = L