📄 glass.arff
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% 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' real@attribute 'Na' real@attribute 'Mg' real@attribute 'Al' real@attribute 'Si' real@attribute 'K' real@attribute 'Ca' real@attribute 'Ba' real@attribute 'Fe' real@attribute 'Type' { 'build wind float', 'build wind non-float', 'vehic wind float', 'vehic wind non-float', containers, tableware, headlamps}@data1.51793,12.79,3.5,1.12,73.03,0.64,8.77,0,0,'build wind float'1.51643,12.16,3.52,1.35,72.89,0.57,8.53,0,0,'vehic wind float'1.51793,13.21,3.48,1.41,72.64,0.59,8.43,0,0,'build wind float'1.51299,14.4,1.74,1.54,74.55,0,7.59,0,0,tableware1.53393,12.3,0,1,70.16,0.12,16.19,0,0.24,'build wind non-float'1.51655,12.75,2.85,1.44,73.27,0.57,8.79,0.11,0.22,'build wind non-float'1.51779,13.64,3.65,0.65,73,0.06,8.93,0,0,'vehic wind float'1.51837,13.14,2.84,1.28,72.85,0.55,9.07,0,0,'build wind float'1.51545,14.14,0,2.68,73.39,0.08,9.07,0.61,0.05,headlamps1.51789,13.19,3.9,1.3,72.33,0.55,8.44,0,0.28,'build wind non-float'1.51625,13.36,3.58,1.49,72.72,0.45,8.21,0,0,'build wind non-float'1.51743,12.2,3.25,1.16,73.55,0.62,8.9,0,0.24,'build wind non-float'1.52223,13.21,3.77,0.79,71.99,0.13,10.02,0,0,'build wind float'1.52121,14.03,3.76,0.58,71.79,0.11,9.65,0,0,'vehic wind float'1.51665,13.14,3.45,1.76,72.48,0.6,8.38,0,0.17,'vehic wind float'1.51707,13.48,3.48,1.71,72.52,0.62,7.99,0,0,'build wind non-float'1.51719,14.75,0,2,73.02,0,8.53,1.59,0.08,headlamps1.51629,12.71,3.33,1.49,73.28,0.67,8.24,0,0,'build wind non-float'1.51994,13.27,0,1.76,73.03,0.47,11.32,0,0,containers1.51811,12.96,2.96,1.43,72.92,0.6,8.79,0.14,0,'build wind non-float'1.52152,13.05,3.65,0.87,72.22,0.19,9.85,0,0.17,'build wind float'1.52475,11.45,0,1.88,72.19,0.81,13.24,0,0.34,'build wind non-float'1.51841,12.93,3.74,1.11,72.28,0.64,8.96,0,0.22,'build wind non-float'1.51754,13.39,3.66,1.19,72.79,0.57,8.27,0,0.11,'build wind float'1.52058,12.85,1.61,2.17,72.18,0.76,9.7,0.24,0.51,containers1.51569,13.24,3.49,1.47,73.25,0.38,8.03,0,0,'build wind non-float'1.5159,12.82,3.52,1.9,72.86,0.69,7.97,0,0,'build wind non-float'1.51683,14.56,0,1.98,73.29,0,8.52,1.57,0.07,headlamps1.51687,13.23,3.54,1.48,72.84,0.56,8.1,0,0,'build wind non-float'1.5161,13.33,3.53,1.34,72.67,0.56,8.33,0,0,'vehic wind float'1.51674,12.87,3.56,1.64,73.14,0.65,7.99,0,0,'build wind non-float'1.51832,13.33,3.34,1.54,72.14,0.56,8.99,0,0,'vehic wind float'1.51115,17.38,0,0.34,75.41,0,6.65,0,0,tableware1.51645,13.44,3.61,1.54,72.39,0.66,8.03,0,0,'build wind non-float'1.51755,13,3.6,1.36,72.99,0.57,8.4,0,0.11,'build wind float'1.51571,12.72,3.46,1.56,73.2,0.67,8.09,0,0.24,'build wind float'1.51596,12.79,3.61,1.62,72.97,0.64,8.07,0,0.26,'build wind float'1.5173,12.35,2.72,1.63,72.87,0.7,9.23,0,0,'build wind non-float'1.51662,12.85,3.51,1.44,73.01,0.68,8.23,0.06,0.25,'build wind non-float'1.51409,14.25,3.09,2.08,72.28,1.1,7.08,0,0,'build wind non-float'1.51797,12.74,3.48,1.35,72.96,0.64,8.68,0,0,'build wind float'1.51806,13,3.8,1.08,73.07,0.56,8.38,0,0.12,'build wind non-float'1.51627,13,3.58,1.54,72.83,0.61,8.04,0,0,'build wind non-float'1.5159,13.24,3.34,1.47,73.1,0.39,8.22,0,0,'build wind non-float'1.51934,13.64,3.54,0.75,72.65,0.16,8.89,0.15,0.24,'vehic wind float'1.51755,12.71,3.42,1.2,73.2,0.59,8.64,0,0,'build wind float'1.51514,14.01,2.68,3.5,69.89,1.68,5.87,2.2,0,containers1.51766,13.21,3.69,1.29,72.61,0.57,8.22,0,0,'build wind float'1.51784,13.08,3.49,1.28,72.86,0.6,8.49,0,0,'build wind float'
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