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
- 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
Source
P. M. Murphy and D. W. Aha (1999), UCI Repository of Machine Learning Databases, http://archive.ics.uci.edu/ml/datasets/glass+identification