glass {mda}R Documentation

Glass Identification Database

Description

The glass data frame has 214 observations and 10 variables, representing glass fragments.

Usage

data(glass)

Format

This data frame contains the following columns:

RI
refractive index
Na
weight percent in corresponding oxide
Mg
weight percent in corresponding oxide
Al
weight percent in corresponding oxide
Si
weight percent in corresponding oxide
K
weight percent in corresponding oxide
Ca
weight percent in corresponding oxide
Ba
weight percent in corresponding oxide
Fe
weight percent in corresponding oxide
7
headlamps
Type of glass:
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

Source

P. M. Murphy and D. W. Aha (1999), UCI Repository of Machine Learning Databases, ftp://ics.uci.edu/pub/machine-learning-databases