TRAFFIC Data: year day limit y 1 1961 1 no 9 2 1961 2 no 11 3 1961 3 no 9 4 1961 4 no 20 5 1961 5 no 31 6 1961 6 no 26 7 1961 7 no 18 8 1961 8 no 19 9 1961 9 no 18 10 1961 10 no 13 11 1961 11 no 29 12 1961 12 no 40 13 1961 13 no 28 14 1961 14 no 17 15 1961 15 no 15 16 1961 16 no 21 17 1961 17 no 24 18 1961 18 no 15 19 1961 19 no 32 20 1961 20 no 22 21 1961 21 no 24 22 1961 22 no 11 23 1961 23 no 27 24 1961 24 yes 12 25 1961 25 yes 41 26 1961 26 yes 15 27 1961 27 yes 18 28 1961 28 yes 11 29 1961 29 yes 19 30 1961 30 yes 19 31 1961 31 yes 9 32 1961 32 yes 21 33 1961 33 yes 22 34 1961 34 yes 23 35 1961 35 yes 14 36 1961 36 yes 19 37 1961 37 yes 15 38 1961 38 yes 13 39 1961 39 yes 22 40 1961 40 yes 42 41 1961 41 yes 29 42 1961 42 yes 21 43 1961 43 yes 12 44 1961 44 yes 16 45 1961 45 no 17 46 1961 46 no 27 47 1961 47 no 37 48 1961 48 no 32 49 1961 49 no 25 50 1961 50 no 20 51 1961 51 no 40 52 1961 52 no 21 53 1961 53 no 18 54 1961 54 no 35 55 1961 55 no 21 56 1961 56 no 25 57 1961 57 no 34 58 1961 58 no 42 59 1961 59 no 27 60 1961 60 no 34 61 1961 61 no 47 62 1961 62 no 36 63 1961 63 no 15 64 1961 64 no 26 65 1961 65 no 27 66 1961 66 no 18 67 1961 67 no 16 68 1961 68 no 32 69 1961 69 no 28 70 1961 70 no 17 71 1961 71 no 16 72 1961 72 no 19 73 1961 73 no 18 74 1961 74 no 22 75 1961 75 no 37 76 1961 76 no 29 77 1961 77 no 18 78 1961 78 no 14 79 1961 79 no 14 80 1961 80 no 18 81 1961 81 no 21 82 1961 82 no 39 83 1961 83 no 39 84 1961 84 no 21 85 1961 85 no 15 86 1961 86 no 17 87 1961 87 no 20 88 1961 88 no 24 89 1961 89 no 30 90 1961 90 no 25 91 1961 91 no 8 92 1961 92 no 21 93 1962 1 no 9 94 1962 2 no 20 95 1962 3 no 15 96 1962 4 no 14 97 1962 5 no 30 98 1962 6 no 23 99 1962 7 no 15 100 1962 8 no 14 101 1962 9 no 16 102 1962 10 no 20 103 1962 11 yes 17 104 1962 12 yes 23 105 1962 13 yes 16 106 1962 14 yes 20 107 1962 15 yes 13 108 1962 16 yes 13 109 1962 17 yes 9 110 1962 18 yes 10 111 1962 19 yes 27 112 1962 20 yes 12 113 1962 21 yes 7 114 1962 22 yes 11 115 1962 23 yes 15 116 1962 24 yes 19 117 1962 25 yes 32 118 1962 26 yes 22 119 1962 27 yes 24 120 1962 28 yes 9 121 1962 29 no 10 122 1962 30 no 14 123 1962 31 no 18 124 1962 32 no 26 125 1962 33 no 38 126 1962 34 no 31 127 1962 35 no 12 128 1962 36 no 8 129 1962 37 no 22 130 1962 38 no 17 131 1962 39 no 31 132 1962 40 no 49 133 1962 41 no 23 134 1962 42 no 14 135 1962 43 no 25 136 1962 44 no 24 137 1962 45 no 18 138 1962 46 no 19 139 1962 47 yes 29 140 1962 48 yes 17 141 1962 49 yes 17 142 1962 50 yes 15 143 1962 51 yes 25 144 1962 52 yes 9 145 1962 53 yes 16 146 1962 54 yes 25 147 1962 55 yes 25 148 1962 56 yes 16 149 1962 57 yes 22 150 1962 58 yes 21 151 1962 59 yes 17 152 1962 60 yes 26 153 1962 61 yes 41 154 1962 62 yes 25 155 1962 63 yes 12 156 1962 64 yes 17 157 1962 65 no 21 158 1962 66 no 19 159 1962 67 no 24 160 1962 68 no 44 161 1962 69 no 31 162 1962 70 no 21 163 1962 71 no 20 164 1962 72 no 19 165 1962 73 no 20 166 1962 74 no 29 167 1962 75 no 48 168 1962 76 no 36 169 1962 77 no 15 170 1962 78 no 16 171 1962 79 no 29 172 1962 80 no 12 173 1962 81 yes 24 174 1962 82 yes 26 175 1962 83 yes 16 176 1962 84 yes 15 177 1962 85 yes 12 178 1962 86 yes 22 179 1962 87 yes 24 180 1962 88 yes 16 181 1962 89 yes 25 182 1962 90 yes 14 183 1962 91 yes 15 184 1962 92 yes 9 Description: An experiment was performed in Sweden in 1961–2 to assess the effect of a speed limit on the motorway accident rate. The experiment was conducted on 92 days in each year, matched so that day j in 1962 was comparable to day j in 1961. On some days the speed limit was in effect and enforced, while on other days there was no speed limit and cars tended to be driven faster. The speed limit days tended to be in contiguous blocks. Format: - year 1961 or 1962. - day of year. - limit was there a speed limit? - y traffic accident count for that day. Task: Model the traffic accident count for day.