% % !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! % % Identifier attribute deleted. % % As used by Kilpatrick, D. & Cameron-Jones, M. (1998). Numeric prediction % using instance-based learning with encoding length selection. In Progress % in Connectionist-Based Information Systems. Singapore: Springer-Verlag. % % !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! % % % 1. Title: Auto-Mpg Data % % 2. Sources: % (a) Origin: This dataset was taken from the StatLib library which is % maintained at Carnegie Mellon University. The dataset was % used in the 1983 American Statistical Association Exposition. % (c) Date: July 7, 1993 % % 3. Past Usage: % - See 2b (above) % - Quinlan,R. (1993). Combining Instance-Based and Model-Based Learning. % In Proceedings on the Tenth International Conference of Machine % Learning, 236-243, University of Massachusetts, Amherst. Morgan % Kaufmann. % % 4. Relevant Information: % % This dataset is a slightly modified version of the dataset provided in % the StatLib library. In line with the use by Ross Quinlan (1993) in % predicting the attribute "mpg", 8 of the original instances were removed % because they had unknown values for the "mpg" attribute. The original % dataset is available in the file "auto-mpg.data-original". % % "The data concerns city-cycle fuel consumption in miles per gallon, % to be predicted in terms of 3 multivalued discrete and 5 continuous % attributes." (Quinlan, 1993) % % 5. Number of Instances: 398 % % 6. Number of Attributes: 9 including the class attribute % % 7. Attribute Information: % % 1. mpg: continuous % 2. cylinders: multi-valued discrete % 3. displacement: continuous % 4. horsepower: continuous % 5. weight: continuous % 6. acceleration: continuous % 7. model year: multi-valued discrete % 8. origin: multi-valued discrete % 9. car name: string (unique for each instance) % % 8. Missing Attribute Values: horsepower has 6 missing values % @relation autoMpg @attribute 'cylinders' { 8, 4, 6, 3, 5} @attribute 'displacement' real @attribute 'horsepower' real @attribute 'weight' real @attribute 'acceleration' real @attribute 'model' { 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82} @attribute 'origin' { 1, 3, 2} @attribute 'class' real @data 8,307,130,3504,12,70,1,18 8,350,165,3693,11.5,70,1,15 8,318,150,3436,11,70,1,18 8,304,150,3433,12,70,1,16 8,302,140,3449,10.5,70,1,17 8,429,198,4341,10,70,1,15 8,454,220,4354,9,70,1,14 8,440,215,4312,8.5,70,1,14 8,455,225,4425,10,70,1,14 8,390,190,3850,8.5,70,1,15 8,383,170,3563,10,70,1,15 8,340,160,3609,8,70,1,14 8,400,150,3761,9.5,70,1,15 8,455,225,3086,10,70,1,14 4,113,95,2372,15,70,3,24 6,198,95,2833,15.5,70,1,22 6,199,97,2774,15.5,70,1,18 6,200,85,2587,16,70,1,21 4,97,88,2130,14.5,70,3,27 4,97,46,1835,20.5,70,2,26 4,110,87,2672,17.5,70,2,25 4,107,90,2430,14.5,70,2,24 4,104,95,2375,17.5,70,2,25 4,121,113,2234,12.5,70,2,26 6,199,90,2648,15,70,1,21 8,360,215,4615,14,70,1,10 8,307,200,4376,15,70,1,10 8,318,210,4382,13.5,70,1,11 8,304,193,4732,18.5,70,1,9 4,97,88,2130,14.5,71,3,27 4,140,90,2264,15.5,71,1,28 4,113,95,2228,14,71,3,25 4,98,?,2046,19,71,1,25 6,232,100,2634,13,71,1,19 6,225,105,3439,15.5,71,1,16 6,250,100,3329,15.5,71,1,17 6,250,88,3302,15.5,71,1,19 6,232,100,3288,15.5,71,1,18 8,350,165,4209,12,71,1,14 8,400,175,4464,11.5,71,1,14 8,351,153,4154,13.5,71,1,14 8,318,150,4096,13,71,1,14 8,383,180,4955,11.5,71,1,12 8,400,170,4746,12,71,1,13 8,400,175,5140,12,71,1,13 6,258,110,2962,13.5,71,1,18 4,140,72,2408,19,71,1,22 6,250,100,3282,15,71,1,19 6,250,88,3139,14.5,71,1,18 4,122,86,2220,14,71,1,23 4,116,90,2123,14,71,2,28 4,79,70,2074,19.5,71,2,30 4,88,76,2065,14.5,71,2,30 4,71,65,1773,19,71,3,31 4,72,69,1613,18,71,3,35 4,97,60,1834,19,71,2,27 4,91,70,1955,20.5,71,1,26 4,113,95,2278,15.5,72,3,24 4,97.5,80,2126,17,72,1,25 4,97,54,2254,23.5,72,2,23 4,140,90,2408,19.5,72,1,20 4,122,86,2226,16.5,72,1,21 8,350,165,4274,12,72,1,13 8,400,175,4385,12,72,1,14 8,318,150,4135,13.5,72,1,15 8,351,153,4129,13,72,1,14 8,304,150,3672,11.5,72,1,17 8,429,208,4633,11,72,1,11 8,350,155,4502,13.5,72,1,13 8,350,160,4456,13.5,72,1,12 8,400,190,4422,12.5,72,1,13 3,70,97,2330,13.5,72,3,19 8,304,150,3892,12.5,72,1,15 8,307,130,4098,14,72,1,13 8,302,140,4294,16,72,1,13 8,318,150,4077,14,72,1,14 4,121,112,2933,14.5,72,2,18 4,121,76,2511,18,72,2,22 4,120,87,2979,19.5,72,2,21 4,96,69,2189,18,72,2,26 4,122,86,2395,16,72,1,22 4,97,92,2288,17,72,3,28 4,120,97,2506,14.5,72,3,23 4,98,80,2164,15,72,1,28 4,97,88,2100,16.5,72,3,27 8,350,175,4100,13,73,1,13 8,304,150,3672,11.5,73,1,14 8,350,145,3988,13,73,1,13 8,302,137,4042,14.5,73,1,14 8,318,150,3777,12.5,73,1,15 8,429,198,4952,11.5,73,1,12 8,400,150,4464,12,73,1,13 8,351,158,4363,13,73,1,13 8,318,150,4237,14.5,73,1,14 8,440,215,4735,11,73,1,13 8,455,225,4951,11,73,1,12 8,360,175,3821,11,73,1,13 6,225,105,3121,16.5,73,1,18 6,250,100,3278,18,73,1,16 6,232,100,2945,16,73,1,18 6,250,88,3021,16.5,73,1,18 6,198,95,2904,16,73,1,23 4,97,46,1950,21,73,2,26 8,400,150,4997,14,73,1,11 8,400,167,4906,12.5,73,1,12 8,360,170,4654,13,73,1,13 8,350,180,4499,12.5,73,1,12 6,232,100,2789,15,73,1,18 4,97,88,2279,19,73,3,20 4,140,72,2401,19.5,73,1,21 4,108,94,2379,16.5,73,3,22 3,70,90,2124,13.5,73,3,18 4,122,85,2310,18.5,73,1,19 6,155,107,2472,14,73,1,21 4,98,90,2265,15.5,73,2,26 8,350,145,4082,13,73,1,15 8,400,230,4278,9.5,73,1,16 4,68,49,1867,19.5,73,2,29 4,116,75,2158,15.5,73,2,24 4,114,91,2582,14,73,2,20 4,121,112,2868,15.5,73,2,19 8,318,150,3399,11,73,1,15 4,121,110,2660,14,73,2,24 6,156,122,2807,13.5,73,3,20 8,350,180,3664,11,73,1,11 6,198,95,3102,16.5,74,1,20 6,200,?,2875,17,74,1,21 6,232,100,2901,16,74,1,19 6,250,100,3336,17,74,1,15 4,79,67,1950,19,74,3,31 4,122,80,2451,16.5,74,1,26 4,71,65,1836,21,74,3,32 4,140,75,2542,17,74,1,25 6,250,100,3781,17,74,1,16 6,258,110,3632,18,74,1,16 6,225,105,3613,16.5,74,1,18 8,302,140,4141,14,74,1,16 8,350,150,4699,14.5,74,1,13 8,318,150,4457,13.5,74,1,14 8,302,140,4638,16,74,1,14 8,304,150,4257,15.5,74,1,14 4,98,83,2219,16.5,74,2,29 4,79,67,1963,15.5,74,2,26 4,97,78,2300,14.5,74,2,26 4,76,52,1649,16.5,74,3,31 4,83,61,2003,19,74,3,32 4,90,75,2125,14.5,74,1,28 4,90,75,2108,15.5,74,2,24 4,116,75,2246,14,74,2,26 4,120,97,2489,15,74,3,24 4,108,93,2391,15.5,74,3,26 4,79,67,2000,16,74,2,31 6,225,95,3264,16,75,1,19 6,250,105,3459,16,75,1,18 6,250,72,3432,21,75,1,15 6,250,72,3158,19.5,75,1,15 8,400,170,4668,11.5,75,1,16 8,350,145,4440,14,75,1,15 8,318,150,4498,14.5,75,1,16 8,351,148,4657,13.5,75,1,14 6,231,110,3907,21,75,1,17 6,250,105,3897,18.5,75,1,16 6,258,110,3730,19,75,1,15 6,225,95,3785,19,75,1,18 6,231,110,3039,15,75,1,21 8,262,110,3221,13.5,75,1,20 8,302,129,3169,12,75,1,13 4,97,75,2171,16,75,3,29 4,140,83,2639,17,75,1,23 6,232,100,2914,16,75,1,20 4,140,78,2592,18.5,75,1,23 4,134,96,2702,13.5,75,3,24 4,90,71,2223,16.5,75,2,25 4,119,97,2545,17,75,3,24 6,171,97,2984,14.5,75,1,18 4,90,70,1937,14,75,2,29 6,232,90,3211,17,75,1,19 4,115,95,2694,15,75,2,23 4,120,88,2957,17,75,2,23 4,121,98,2945,14.5,75,2,22 4,121,115,2671,13.5,75,2,25 4,91,53,1795,17.5,75,3,33 4,107,86,2464,15.5,76,2,28 4,116,81,2220,16.9,76,2,25 4,140,92,2572,14.9,76,1,25 4,98,79,2255,17.7,76,1,26 4,101,83,2202,15.3,76,2,27 8,305,140,4215,13,76,1,17.5 8,318,150,4190,13,76,1,16 8,304,120,3962,13.9,76,1,15.5 8,351,152,4215,12.8,76,1,14.5 6,225,100,3233,15.4,76,1,22 6,250,105,3353,14.5,76,1,22 6,200,81,3012,17.6,76,1,24 6,232,90,3085,17.6,76,1,22.5 4,85,52,2035,22.2,76,1,29 4,98,60,2164,22.1,76,1,24.5 4,90,70,1937,14.2,76,2,29 4,91,53,1795,17.4,76,3,33 6,225,100,3651,17.7,76,1,20 6,250,78,3574,21,76,1,18 6,250,110,3645,16.2,76,1,18.5 6,258,95,3193,17.8,76,1,17.5 4,97,71,1825,12.2,76,2,29.5 4,85,70,1990,17,76,3,32 4,97,75,2155,16.4,76,3,28 4,140,72,2565,13.6,76,1,26.5 4,130,102,3150,15.7,76,2,20 8,318,150,3940,13.2,76,1,13 4,120,88,3270,21.9,76,2,19 6,156,108,2930,15.5,76,3,19 6,168,120,3820,16.7,76,2,16.5 8,350,180,4380,12.1,76,1,16.5 8,350,145,4055,12,76,1,13 8,302,130,3870,15,76,1,13 8,318,150,3755,14,76,1,13 4,98,68,2045,18.5,77,3,31.5 4,111,80,2155,14.8,77,1,30 4,79,58,1825,18.6,77,2,36 4,122,96,2300,15.5,77,1,25.5 4,85,70,1945,16.8,77,3,33.5 8,305,145,3880,12.5,77,1,17.5 8,260,110,4060,19,77,1,17 8,318,145,4140,13.7,77,1,15.5 8,302,130,4295,14.9,77,1,15 6,250,110,3520,16.4,77,1,17.5 6,231,105,3425,16.9,77,1,20.5 6,225,100,3630,17.7,77,1,19 6,250,98,3525,19,77,1,18.5 8,400,180,4220,11.1,77,1,16 8,350,170,4165,11.4,77,1,15.5 8,400,190,4325,12.2,77,1,15.5 8,351,149,4335,14.5,77,1,16 4,97,78,1940,14.5,77,2,29 4,151,88,2740,16,77,1,24.5 4,97,75,2265,18.2,77,3,26 4,140,89,2755,15.8,77,1,25.5 4,98,63,2051,17,77,1,30.5 4,98,83,2075,15.9,77,1,33.5 4,97,67,1985,16.4,77,3,30 4,97,78,2190,14.1,77,2,30.5 6,146,97,2815,14.5,77,3,22 4,121,110,2600,12.8,77,2,21.5 3,80,110,2720,13.5,77,3,21.5 4,90,48,1985,21.5,78,2,43.1 4,98,66,1800,14.4,78,1,36.1 4,78,52,1985,19.4,78,3,32.8 4,85,70,2070,18.6,78,3,39.4 4,91,60,1800,16.4,78,3,36.1 8,260,110,3365,15.5,78,1,19.9 8,318,140,3735,13.2,78,1,19.4 8,302,139,3570,12.8,78,1,20.2 6,231,105,3535,19.2,78,1,19.2 6,200,95,3155,18.2,78,1,20.5 6,200,85,2965,15.8,78,1,20.2 4,140,88,2720,15.4,78,1,25.1 6,225,100,3430,17.2,78,1,20.5 6,232,90,3210,17.2,78,1,19.4 6,231,105,3380,15.8,78,1,20.6 6,200,85,3070,16.7,78,1,20.8 6,225,110,3620,18.7,78,1,18.6 6,258,120,3410,15.1,78,1,18.1 8,305,145,3425,13.2,78,1,19.2 6,231,165,3445,13.4,78,1,17.7 8,302,139,3205,11.2,78,1,18.1 8,318,140,4080,13.7,78,1,17.5 4,98,68,2155,16.5,78,1,30 4,134,95,2560,14.2,78,3,27.5 4,119,97,2300,14.7,78,3,27.2 4,105,75,2230,14.5,78,1,30.9 4,134,95,2515,14.8,78,3,21.1 4,156,105,2745,16.7,78,1,23.2 4,151,85,2855,17.6,78,1,23.8 4,119,97,2405,14.9,78,3,23.9 5,131,103,2830,15.9,78,2,20.3 6,163,125,3140,13.6,78,2,17 4,121,115,2795,15.7,78,2,21.6 6,163,133,3410,15.8,78,2,16.2 4,89,71,1990,14.9,78,2,31.5 4,98,68,2135,16.6,78,3,29.5 6,231,115,3245,15.4,79,1,21.5 6,200,85,2990,18.2,79,1,19.8 4,140,88,2890,17.3,79,1,22.3 6,232,90,3265,18.2,79,1,20.2 6,225,110,3360,16.6,79,1,20.6 8,305,130,3840,15.4,79,1,17 8,302,129,3725,13.4,79,1,17.6 8,351,138,3955,13.2,79,1,16.5 8,318,135,3830,15.2,79,1,18.2 8,350,155,4360,14.9,79,1,16.9 8,351,142,4054,14.3,79,1,15.5 8,267,125,3605,15,79,1,19.2 8,360,150,3940,13,79,1,18.5 4,89,71,1925,14,79,2,31.9 4,86,65,1975,15.2,79,3,34.1 4,98,80,1915,14.4,79,1,35.7 4,121,80,2670,15,79,1,27.4 5,183,77,3530,20.1,79,2,25.4 8,350,125,3900,17.4,79,1,23 4,141,71,3190,24.8,79,2,27.2 8,260,90,3420,22.2,79,1,23.9 4,105,70,2200,13.2,79,1,34.2 4,105,70,2150,14.9,79,1,34.5 4,85,65,2020,19.2,79,3,31.8 4,91,69,2130,14.7,79,2,37.3 4,151,90,2670,16,79,1,28.4 6,173,115,2595,11.3,79,1,28.8 6,173,115,2700,12.9,79,1,26.8 4,151,90,2556,13.2,79,1,33.5 4,98,76,2144,14.7,80,2,41.5 4,89,60,1968,18.8,80,3,38.1 4,98,70,2120,15.5,80,1,32.1 4,86,65,2019,16.4,80,3,37.2 4,151,90,2678,16.5,80,1,28 4,140,88,2870,18.1,80,1,26.4 4,151,90,3003,20.1,80,1,24.3 6,225,90,3381,18.7,80,1,19.1 4,97,78,2188,15.8,80,2,34.3 4,134,90,2711,15.5,80,3,29.8 4,120,75,2542,17.5,80,3,31.3 4,119,92,2434,15,80,3,37 4,108,75,2265,15.2,80,3,32.2 4,86,65,2110,17.9,80,3,46.6 4,156,105,2800,14.4,80,1,27.9 4,85,65,2110,19.2,80,3,40.8 4,90,48,2085,21.7,80,2,44.3 4,90,48,2335,23.7,80,2,43.4 5,121,67,2950,19.9,80,2,36.4 4,146,67,3250,21.8,80,2,30 4,91,67,1850,13.8,80,3,44.6 4,85,?,1835,17.3,80,2,40.9 4,97,67,2145,18,80,3,33.8 4,89,62,1845,15.3,80,2,29.8 6,168,132,2910,11.4,80,3,32.7 3,70,100,2420,12.5,80,3,23.7 4,122,88,2500,15.1,80,2,35 4,140,?,2905,14.3,80,1,23.6 4,107,72,2290,17,80,3,32.4 4,135,84,2490,15.7,81,1,27.2 4,151,84,2635,16.4,81,1,26.6 4,156,92,2620,14.4,81,1,25.8 6,173,110,2725,12.6,81,1,23.5 4,135,84,2385,12.9,81,1,30 4,79,58,1755,16.9,81,3,39.1 4,86,64,1875,16.4,81,1,39 4,81,60,1760,16.1,81,3,35.1 4,97,67,2065,17.8,81,3,32.3 4,85,65,1975,19.4,81,3,37 4,89,62,2050,17.3,81,3,37.7 4,91,68,1985,16,81,3,34.1 4,105,63,2215,14.9,81,1,34.7 4,98,65,2045,16.2,81,1,34.4 4,98,65,2380,20.7,81,1,29.9 4,105,74,2190,14.2,81,2,33 4,100,?,2320,15.8,81,2,34.5 4,107,75,2210,14.4,81,3,33.7 4,108,75,2350,16.8,81,3,32.4 4,119,100,2615,14.8,81,3,32.9 4,120,74,2635,18.3,81,3,31.6 4,141,80,3230,20.4,81,2,28.1 6,145,76,3160,19.6,81,2,30.7 6,168,116,2900,12.6,81,3,25.4 6,146,120,2930,13.8,81,3,24.2 6,231,110,3415,15.8,81,1,22.4 8,350,105,3725,19,81,1,26.6 6,200,88,3060,17.1,81,1,20.2 6,225,85,3465,16.6,81,1,17.6 4,112,88,2605,19.6,82,1,28 4,112,88,2640,18.6,82,1,27 4,112,88,2395,18,82,1,34 4,112,85,2575,16.2,82,1,31 4,135,84,2525,16,82,1,29 4,151,90,2735,18,82,1,27 4,140,92,2865,16.4,82,1,24 4,151,?,3035,20.5,82,1,23 4,105,74,1980,15.3,82,2,36 4,91,68,2025,18.2,82,3,37 4,91,68,1970,17.6,82,3,31 4,105,63,2125,14.7,82,1,38 4,98,70,2125,17.3,82,1,36 4,120,88,2160,14.5,82,3,36 4,107,75,2205,14.5,82,3,36 4,108,70,2245,16.9,82,3,34 4,91,67,1965,15,82,3,38 4,91,67,1965,15.7,82,3,32 4,91,67,1995,16.2,82,3,38 6,181,110,2945,16.4,82,1,25 6,262,85,3015,17,82,1,38 4,156,92,2585,14.5,82,1,26 6,232,112,2835,14.7,82,1,22 4,144,96,2665,13.9,82,3,32 4,135,84,2370,13,82,1,36 4,151,90,2950,17.3,82,1,27 4,140,86,2790,15.6,82,1,27 4,97,52,2130,24.6,82,2,44 4,135,84,2295,11.6,82,1,32 4,120,79,2625,18.6,82,1,28 4,119,82,2720,19.4,82,1,31