glass {RobStatTM}

Glass data

Description

Measurements of the presence of seven chemical constituents in 76 pieces of glass from nonfloat car windows.

Usage

data(glass)

Format

An object of class "data.frame".

Details

Format: 76 cases and 7 continuous variables. Description: The columns are: 1. RI refractive index 2. Na2O sodium oxide (unit measurement: weight percent in corresponding oxide, as are the rest of attributes) 3. MgO magnesium oxide 4. Al2O3 aluminum oxide 5. SiO2 silcon oxide 6. K2O potassium oxide 7. CaO calcium oxide

Source

Hettich, S. and Bay, S.D. (1999), The UCI KDD Archive http://kdd.ics.uci.edu, Irvine, CA: University of California, Department of Information and Computer Science.

Examples

data(glass)