% 1. Title: Glass Identification Database % % 2. Sources: % (a) Creator: B. German % -- Central Research Establishment % Home Office Forensic Science Service % Aldermaston, Reading, Berkshire RG7 4PN % (b) Donor: Vina Spiehler, Ph.D., DABFT % Diagnostic Products Corporation % (213) 776-0180 (ext 3014) % (c) Date: September, 1987 % % 3. Past Usage: % -- Rule Induction in Forensic Science % -- Ian W. Evett and Ernest J. Spiehler % -- Central Research Establishment % Home Office Forensic Science Service % Aldermaston, Reading, Berkshire RG7 4PN % -- Unknown technical note number (sorry, not listed here) % -- General Results: nearest neighbor held its own with respect to the % rule-based system % % 4. Relevant Information:n % Vina conducted a comparison test of her rule-based system, BEAGLE, the % nearest-neighbor algorithm, and discriminant analysis. BEAGLE is % a product available through VRS Consulting, Inc.; 4676 Admiralty Way, % Suite 206; Marina Del Ray, CA 90292 (213) 827-7890 and FAX: -3189. % In determining whether the glass was a type of "float" glass or not, % the following results were obtained (# incorrect answers): % % Type of Sample Beagle NN DA % Windows that were float processed (87) 10 12 21 % Windows that were not: (76) 19 16 22 % % The study of classification of types of glass was motivated by % criminological investigation. At the scene of the crime, the glass left % can be used as evidence...if it is correctly identified! % % 5. Number of Instances: 214 % % 6. Number of Attributes: 10 (including an Id#) plus the class attribute % -- all attributes are continuously valued % % 7. Attribute Information: % 1. Id number: 1 to 214 % 2. RI: refractive index % 3. Na: Sodium (unit measurement: weight percent in corresponding oxide, as % are attributes 4-10) % 4. Mg: Magnesium % 5. Al: Aluminum % 6. Si: Silicon % 7. K: Potassium % 8. Ca: Calcium % 9. Ba: Barium % 10. Fe: Iron % 11. Type of glass: (class attribute) % -- 1 building_windows_float_processed % -- 2 building_windows_non_float_processed % -- 3 vehicle_windows_float_processed % -- 4 vehicle_windows_non_float_processed (none in this database) % -- 5 containers % -- 6 tableware % -- 7 headlamps % % 8. Missing Attribute Values: None % % Summary Statistics: % Attribute: Min Max Mean SD Correlation with class % 2. RI: 1.5112 1.5339 1.5184 0.0030 -0.1642 % 3. Na: 10.73 17.38 13.4079 0.8166 0.5030 % 4. Mg: 0 4.49 2.6845 1.4424 -0.7447 % 5. Al: 0.29 3.5 1.4449 0.4993 0.5988 % 6. Si: 69.81 75.41 72.6509 0.7745 0.1515 % 7. K: 0 6.21 0.4971 0.6522 -0.0100 % 8. Ca: 5.43 16.19 8.9570 1.4232 0.0007 % 9. Ba: 0 3.15 0.1750 0.4972 0.5751 % 10. Fe: 0 0.51 0.0570 0.0974 -0.1879 % % 9. Class Distribution: (out of 214 total instances) % -- 163 Window glass (building windows and vehicle windows) % -- 87 float processed % -- 70 building windows % -- 17 vehicle windows % -- 76 non-float processed % -- 76 building windows % -- 0 vehicle windows % -- 51 Non-window glass % -- 13 containers % -- 9 tableware % -- 29 headlamps % % % % % % % % Relabeled values in attribute 'Type' % From: '1' To: 'build wind float' % From: '2' To: 'build wind non-float' % From: '3' To: 'vehic wind float' % From: '4' To: 'vehic wind non-float' % From: '5' To: containers % From: '6' To: tableware % From: '7' To: headlamps % @relation Glass @attribute RI numeric @attribute Na numeric @attribute Mg numeric @attribute Al numeric @attribute Si numeric @attribute K numeric @attribute Ca numeric @attribute Ba numeric @attribute Fe numeric @attribute Type {'build wind float','build wind non-float','vehic wind float','vehic wind non-float',containers,tableware,headlamps} @data 1.51793,12.79,3.5,1.12,73.03,0,8.77,0,0,'build wind float' 1.51643,12.16,3.52,1.35,72.89,0,8.53,0,0,'vehic wind float' 1.51793,13.21,3.48,1.41,72.64,0,8.43,0,0,'build wind float' 1.51299,14.4,1.74,1.54,74.55,0,7.59,0,0,tableware 1.53393,12.3,0.0,1.0,70.16,0,16.19,0,0,'build wind non-float' 1.51655,12.75,2.85,1.44,73.27,0,8.79,0,0,'build wind non-float' 1.51779,13.64,3.65,0.65,73.0,0,8.93,0,0,'vehic wind float' 1.51837,13.14,2.84,1.28,72.85,0,9.07,0,0,'build wind float' 1.51545,14.14,0.0,2.68,73.39,0,9.07,0,0,headlamps 1.51789,13.19,3.9,1.3,72.33,0,8.44,0,0,'build wind non-float' 1.51625,13.36,3.58,1.49,72.72,0,8.21,0,0,'build wind non-float' 1.51743,12.2,3.25,1.16,73.55,0,8.9,0,0,'build wind non-float' 1.52223,13.21,3.77,0.79,71.99,0,10.02,0,0,'build wind float' 1.52121,14.03,3.76,0.58,71.79,0,9.65,0,0,'vehic wind float' 1.51665,13.14,3.45,1.76,72.48,0,8.38,0,0,'vehic wind float' 1.51707,13.48,3.48,1.71,72.52,0,7.99,0,0,'build wind non-float' 1.51719,14.75,0.0,2.0,73.02,0,8.53,1,0,headlamps 1.51629,12.71,3.33,1.49,73.28,0,8.24,0,0,'build wind non-float' 1.51994,13.27,0.0,1.76,73.03,0,11.32,0,0,containers 1.51811,12.96,2.96,1.43,72.92,0,8.79,0,0,'build wind non-float' 1.52152,13.05,3.65,0.87,72.22,0,9.85,0,0,'build wind float' 1.52475,11.45,0.0,1.88,72.19,0,13.24,0,0,'build wind non-float' 1.51841,12.93,3.74,1.11,72.28,0,8.96,0,0,'build wind non-float' 1.51754,13.39,3.66,1.19,72.79,0,8.27,0,0,'build wind float' 1.52058,12.85,1.61,2.17,72.18,0,9.7,0,0,containers 1.51569,13.24,3.49,1.47,73.25,0,8.03,0,0,'build wind non-float' 1.5159,12.82,3.52,1.9,72.86,0,7.97,0,0,'build wind non-float' 1.51683,14.56,0.0,1.98,73.29,0,8.52,1,0,headlamps 1.51687,13.23,3.54,1.48,72.84,0,8.1,0,0,'build wind non-float' 1.5161,13.33,3.53,1.34,72.67,0,8.33,0,0,'vehic wind float' 1.51674,12.87,3.56,1.64,73.14,0,7.99,0,0,'build wind non-float' 1.51832,13.33,3.34,1.54,72.14,0,8.99,0,0,'vehic wind float' 1.51115,17.38,0.0,0.34,75.41,0,6.65,0,0,tableware 1.51645,13.44,3.61,1.54,72.39,0,8.03,0,0,'build wind non-float' 1.51755,13.0,3.6,1.36,72.99,0,8.4,0,0,'build wind float' 1.51571,12.72,3.46,1.56,73.2,0,8.09,0,0,'build wind float' 1.51596,12.79,3.61,1.62,72.97,0,8.07,0,0,'build wind float' 1.5173,12.35,2.72,1.63,72.87,0,9.23,0,0,'build wind non-float' 1.51662,12.85,3.51,1.44,73.01,0,8.23,0,0,'build wind non-float' 1.51409,14.25,3.09,2.08,72.28,1,7.08,0,0,'build wind non-float' 1.51797,12.74,3.48,1.35,72.96,0,8.68,0,0,'build wind float' 1.51806,13.0,3.8,1.08,73.07,0,8.38,0,0,'build wind non-float' 1.51627,13.0,3.58,1.54,72.83,0,8.04,0,0,'build wind non-float' 1.5159,13.24,3.34,1.47,73.1,0,8.22,0,0,'build wind non-float' 1.51934,13.64,3.54,0.75,72.65,0,8.89,0,0,'vehic wind float' 1.51755,12.71,3.42,1.2,73.2,0,8.64,0,0,'build wind float' 1.51514,14.01,2.68,3.5,69.89,1,5.87,2,0,containers 1.51766,13.21,3.69,1.29,72.61,0,8.22,0,0,'build wind float' 1.51784,13.08,3.49,1.28,72.86,0,8.49,0,0,'build wind float' 1.52177,13.2,3.68,1.15,72.75,0,8.52,0,0,'build wind non-float' 1.51753,12.57,3.47,1.38,73.39,0,8.55,0,0,'build wind float' 1.51851,13.2,3.63,1.07,72.83,0,8.41,0,0,'build wind non-float' 1.51743,13.3,3.6,1.14,73.09,0,8.17,0,0,'build wind float' 1.51593,13.09,3.59,1.52,73.1,0,7.83,0,0,'build wind non-float' 1.5164,14.37,0.0,2.74,72.85,0,9.45,0,0,headlamps 1.51735,13.02,3.54,1.69,72.73,0,8.44,0,0,'build wind float' 1.52247,14.86,2.2,2.06,70.26,0,9.76,0,0,headlamps 1.52099,13.69,3.59,1.12,71.96,0,9.4,0,0,'build wind float' 1.51769,13.65,3.66,1.11,72.77,0,8.6,0,0,'vehic wind float' 1.51846,13.41,3.89,1.33,72.38,0,8.28,0,0,'build wind non-float' 1.51848,13.64,3.87,1.27,71.96,0,8.32,0,0,'build wind non-float' 1.51905,13.6,3.62,1.11,72.64,0,8.76,0,0,'build wind float' 1.51567,13.29,3.45,1.21,72.74,0,8.57,0,0,'build wind float' 1.52213,14.21,3.82,0.47,71.77,0,9.57,0,0,'build wind float' 1.5232,13.72,3.72,0.51,71.75,0,10.06,0,0,'build wind float' 1.51556,13.87,0.0,2.54,73.23,0,9.41,0,0,headlamps 1.51926,13.2,3.33,1.28,72.36,0,9.14,0,0,'build wind float' 1.52211,14.19,3.78,0.91,71.36,0,9.14,0,0,'vehic wind float' 1.53125,10.73,0.0,2.1,69.81,0,13.3,3,0,'build wind non-float' 1.52152,13.05,3.65,0.87,72.32,0,9.85,0,0,'build wind float' 1.51829,14.46,2.24,1.62,72.38,0,9.26,0,0,tableware 1.51892,13.46,3.83,1.26,72.55,0,8.21,0,0,'build wind non-float' 1.51888,14.99,0.78,1.74,72.5,0,9.95,0,0,tableware 1.51829,13.24,3.9,1.41,72.33,0,8.31,0,0,'build wind non-float' 1.523,13.31,3.58,0.82,71.99,0,10.17,0,0,'build wind float' 1.51652,13.56,3.57,1.47,72.45,0,7.96,0,0,'build wind non-float' 1.51768,12.56,3.52,1.43,73.15,0,8.54,0,0,'build wind float' 1.51215,12.99,3.47,1.12,72.98,0,8.35,0,0,'build wind float' 1.51646,13.04,3.4,1.26,73.01,0,8.58,0,0,'vehic wind float' 1.51721,12.87,3.48,1.33,73.04,0,8.43,0,0,'build wind float' 1.51763,12.8,3.66,1.27,73.01,0,8.56,0,0,'build wind float' 1.51742,13.27,3.62,1.24,73.08,0,8.07,0,0,'build wind float' 1.52127,14.32,3.9,0.83,71.5,0,9.49,0,0,'vehic wind float' 1.51779,13.21,3.39,1.33,72.76,0,8.59,0,0,'build wind float' 1.52171,11.56,1.88,1.56,72.86,0,11.41,0,0,containers 1.518,13.71,3.93,1.54,71.81,0,8.21,0,0,'build wind non-float' 1.52777,12.64,0.0,0.67,72.02,0,14.4,0,0,'build wind non-float' 1.5175,12.82,3.55,1.49,72.75,0,8.52,0,0,'build wind float' 1.51764,12.98,3.54,1.21,73.0,0,8.53,0,0,'build wind float' 1.52177,13.75,1.01,1.36,72.19,0,11.14,0,0,'build wind non-float' 1.51645,14.94,0.0,1.87,73.11,0,8.67,1,0,headlamps 1.51786,12.73,3.43,1.19,72.95,0,8.76,0,0,'build wind float' 1.52152,13.12,3.58,0.9,72.2,0,9.82,0,0,'build wind float' 1.51937,13.79,2.41,1.19,72.76,0,9.77,0,0,tableware 1.51514,14.85,0.0,2.42,73.72,0,8.39,0,0,headlamps 1.52172,13.48,3.74,0.9,72.01,0,9.61,0,0,'build wind float' 1.51732,14.95,0.0,1.8,72.99,0,8.61,1,0,headlamps 1.5202,13.98,1.35,1.63,71.76,0,10.56,0,0,'build wind non-float' 1.51605,12.9,3.44,1.45,73.06,0,8.27,0,0,'build wind non-float' 1.51847,13.1,3.97,1.19,72.44,0,8.43,0,0,'build wind non-float' 1.51761,13.89,3.6,1.36,72.73,0,7.83,0,0,'build wind float' 1.51673,13.3,3.64,1.53,72.53,0,8.03,0,0,'build wind non-float' 1.52365,15.79,1.83,1.31,70.43,0,8.61,1,0,headlamps 1.51685,14.92,0.0,1.99,73.06,0,8.4,1,0,headlamps 1.51658,14.8,0.0,1.99,73.11,0,8.28,1,0,headlamps 1.51316,13.02,0.0,3.04,70.48,6,6.96,0,0,containers 1.51709,13.0,3.47,1.79,72.72,0,8.18,0,0,'build wind non-float' 1.51727,14.7,0.0,2.34,73.28,0,8.95,0,0,headlamps 1.51898,13.58,3.35,1.23,72.08,0,8.91,0,0,'build wind float' 1.51969,12.64,0.0,1.65,73.75,0,11.53,0,0,containers 1.5182,12.62,2.76,0.83,73.81,0,9.42,0,0,'build wind non-float' 1.51617,14.95,0.0,2.27,73.3,0,8.71,0,0,headlamps 1.51911,13.9,3.73,1.18,72.12,0,8.89,0,0,'build wind float' 1.51651,14.38,0.0,1.94,73.61,0,8.48,1,0,headlamps 1.51694,12.86,3.58,1.31,72.61,0,8.79,0,0,'vehic wind float' 1.52315,13.44,3.34,1.23,72.38,0,8.83,0,0,headlamps 1.52068,13.55,2.09,1.67,72.18,0,9.57,0,0,'build wind non-float' 1.51838,14.32,3.26,2.22,71.25,1,5.79,1,0,headlamps 1.51818,13.72,0.0,0.56,74.45,0,10.99,0,0,'build wind non-float' 1.51769,12.45,2.71,1.29,73.7,0,9.06,0,0,'build wind float' 1.5166,12.99,3.18,1.23,72.97,0,8.81,0,0,'build wind non-float' 1.51589,12.88,3.43,1.4,73.28,0,8.05,0,0,'build wind float' 1.5241,13.83,2.9,1.17,71.15,0,10.79,0,0,'build wind non-float' 1.52725,13.8,3.15,0.66,70.57,0,11.64,0,0,'build wind non-float' 1.52119,12.97,0.33,1.51,73.39,0,11.27,0,0,containers 1.51748,12.86,3.56,1.27,73.21,0,8.38,0,0,'build wind float' 1.51653,11.95,0.0,1.19,75.18,2,8.93,0,0,headlamps 1.51623,14.14,0.0,2.88,72.61,0,9.18,1,0,headlamps 1.52101,13.64,4.49,1.1,71.78,0,8.75,0,0,'build wind float' 1.51763,12.61,3.59,1.31,73.29,0,8.5,0,0,'build wind float' 1.51596,13.02,3.56,1.54,73.11,0,7.9,0,0,'build wind non-float' 1.51674,12.79,3.52,1.54,73.36,0,7.9,0,0,'build wind non-float' 1.52065,14.36,0.0,2.02,73.42,0,8.44,1,0,headlamps 1.51768,12.65,3.56,1.3,73.08,0,8.69,0,0,'build wind float' 1.52369,13.44,0.0,1.58,72.22,0,12.24,0,0,containers 1.51756,13.15,3.61,1.05,73.24,0,8.24,0,0,'build wind float' 1.51754,13.48,3.74,1.17,72.99,0,8.03,0,0,'build wind float' 1.51711,12.89,3.62,1.57,72.96,0,8.11,0,0,'build wind non-float' 1.5221,13.73,3.84,0.72,71.76,0,9.74,0,0,'build wind float' 1.51594,13.09,3.52,1.55,72.87,0,8.05,0,0,'build wind non-float' 1.51784,12.68,3.67,1.16,73.11,0,8.7,0,0,'build wind float' 1.51909,13.89,3.53,1.32,71.81,0,8.78,0,0,'build wind float' 1.51977,13.81,3.58,1.32,71.72,0,8.67,0,0,'build wind float' 1.51666,12.86,0.0,1.83,73.88,0,10.17,0,0,containers 1.51631,13.34,3.57,1.57,72.87,0,7.89,0,0,'build wind non-float' 1.51872,12.93,3.66,1.56,72.51,0,8.55,0,0,'build wind non-float' 1.51708,13.72,3.68,1.81,72.06,0,7.88,0,0,'build wind non-float' 1.52081,13.78,2.28,1.43,71.99,0,9.85,0,0,'build wind non-float' 1.51574,14.86,3.67,1.74,71.87,0,7.36,0,0,'build wind non-float' 1.51813,13.43,3.98,1.18,72.49,0,8.15,0,0,'build wind non-float' 1.51131,13.69,3.2,1.81,72.81,1,5.43,1,0,headlamps 1.52227,14.17,3.81,0.78,71.35,0,9.69,0,0,'build wind float' 1.52614,13.7,0.0,1.36,71.24,0,13.44,0,0,'build wind non-float' 1.51811,13.33,3.85,1.25,72.78,0,8.12,0,0,'build wind non-float' 1.51655,13.41,3.39,1.28,72.64,0,8.65,0,0,'vehic wind float' 1.51751,12.81,3.57,1.35,73.02,0,8.59,0,0,'build wind float' 1.51508,15.15,0.0,2.25,73.5,0,8.34,0,0,headlamps 1.51915,12.73,1.85,1.86,72.69,0,10.09,0,0,containers 1.51966,14.77,3.75,0.29,72.02,0,9.0,0,0,'build wind float' 1.51844,13.25,3.76,1.32,72.4,0,8.42,0,0,'build wind non-float' 1.52664,11.23,0.0,0.77,73.21,0,14.68,0,0,'build wind non-float' 1.52172,13.51,3.86,0.88,71.79,0,9.54,0,0,'build wind float' 1.51602,14.85,0.0,2.38,73.28,0,8.76,0,0,headlamps 1.51321,13.0,0.0,3.02,70.7,6,6.93,0,0,containers 1.52739,11.02,0.0,0.75,73.08,0,14.96,0,0,'build wind non-float' 1.52213,14.21,3.82,0.47,71.77,0,9.57,0,0,'build wind float' 1.51747,12.84,3.5,1.14,73.27,0,8.55,0,0,'build wind float' 1.51839,12.85,3.67,1.24,72.57,0,8.68,0,0,'build wind non-float' 1.51646,13.41,3.55,1.25,72.81,0,8.1,0,0,'build wind non-float' 1.51609,15.01,0.0,2.51,73.05,0,8.83,0,0,headlamps 1.51667,12.94,3.61,1.26,72.75,0,8.6,0,0,'build wind non-float' 1.51588,13.12,3.41,1.58,73.26,0,8.39,0,0,'build wind non-float' 1.52667,13.99,3.7,0.71,71.57,0,9.82,0,0,'build wind float' 1.51831,14.39,0.0,1.82,72.86,1,6.47,2,0,headlamps 1.51918,14.04,3.58,1.37,72.08,0,8.3,0,0,'build wind float' 1.51613,13.88,1.78,1.79,73.1,0,8.67,0,0,headlamps 1.52196,14.36,3.85,0.89,71.36,0,9.15,0,0,'build wind float' 1.51824,12.87,3.48,1.29,72.95,0,8.43,0,0,'build wind float' 1.52151,11.03,1.71,1.56,73.44,0,11.62,0,0,containers 1.51969,14.56,0.0,0.56,73.48,0,11.22,0,0,tableware 1.51618,13.01,3.5,1.48,72.89,0,8.12,0,0,'build wind non-float' 1.51645,13.4,3.49,1.52,72.65,0,8.08,0,0,'build wind non-float' 1.51796,13.5,3.36,1.63,71.94,0,8.81,0,0,'vehic wind float' 1.52222,14.43,0.0,1.0,72.67,0,11.52,0,0,'build wind non-float' 1.51783,12.69,3.54,1.34,72.95,0,8.75,0,0,'build wind float' 1.51711,14.23,0.0,2.08,73.36,0,8.62,1,0,headlamps 1.51736,12.78,3.62,1.29,72.79,0,8.7,0,0,'build wind float' 1.51808,13.43,2.87,1.19,72.84,0,9.03,0,0,'build wind float' 1.5167,13.24,3.57,1.38,72.7,0,8.44,0,0,'vehic wind float' 1.52043,13.38,0.0,1.4,72.25,0,12.5,0,0,containers 1.519,13.49,3.48,1.35,71.95,0,9.0,0,0,'build wind float' 1.51778,13.21,2.81,1.29,72.98,0,9.02,0,0,'build wind float' 1.51905,14.0,2.39,1.56,72.37,0,9.57,0,0,tableware 1.51531,14.38,0.0,2.66,73.1,0,9.08,0,0,headlamps 1.51916,14.15,0.0,2.09,72.74,0,10.88,0,0,tableware 1.51841,13.02,3.62,1.06,72.34,0,9.13,0,0,'build wind non-float' 1.5159,13.02,3.58,1.51,73.12,0,7.96,0,0,'build wind non-float' 1.51593,13.25,3.45,1.43,73.17,0,7.86,0,0,'build wind non-float' 1.5164,12.55,3.48,1.87,73.23,0,8.08,0,0,'build wind non-float' 1.51663,12.93,3.54,1.62,72.96,0,8.03,0,0,'build wind non-float' 1.5169,13.33,3.54,1.61,72.54,0,8.11,0,0,'build wind non-float' 1.51869,13.19,3.37,1.18,72.72,0,8.83,0,0,'build wind float' 1.51776,13.53,3.41,1.52,72.04,0,8.79,0,0,'vehic wind float' 1.51775,12.85,3.48,1.23,72.97,0,8.56,0,0,'build wind float' 1.5186,13.36,3.43,1.43,72.26,0,8.6,0,0,'build wind non-float' 1.5172,13.38,3.5,1.15,72.85,0,8.43,0,0,'build wind float' 1.51623,14.2,0.0,2.79,73.46,0,9.04,0,0,headlamps 1.51618,13.53,3.55,1.54,72.99,0,7.78,0,0,'build wind float' 1.51761,12.81,3.54,1.23,73.24,0,8.39,0,0,'build wind float' 1.5161,13.42,3.4,1.22,72.69,0,8.32,0,0,'vehic wind float' 1.51592,12.86,3.52,2.12,72.66,0,7.97,0,0,'build wind non-float' 1.51613,13.92,3.52,1.25,72.88,0,7.94,0,0,'build wind non-float' 1.51689,12.67,2.88,1.71,73.21,0,8.54,0,0,'build wind non-float' 1.51852,14.09,2.19,1.66,72.67,0,9.32,0,0,tableware