Prepare a model for glass classification using KNN
Data Description:
RI : refractive index
Na: Sodium (unit measurement: weight percent in corresponding oxide, as are attributes 4-10)
Mg: Magnesium
AI: Aluminum
Si: Silicon
K:Potassium
Ca: Calcium
Ba: Barium
Fe: Iron
Type: 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