glass: Glass Identification Database
Description
The glass
data frame has 214 observations and 10 variables,
representing glass fragments.
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
- Type
- 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