The glass
data frame has 214 observations and 10 variables,
representing glass fragments.
data(glass)
This data frame contains the following columns:
refractive index
weight percent in corresponding oxide
weight percent in corresponding oxide
weight percent in corresponding oxide
weight percent in corresponding oxide
weight percent in corresponding oxide
weight percent in corresponding oxide
weight percent in corresponding oxide
weight percent in corresponding oxide
Type of glass:
building\_windows\_float\_processed,
building\_windows\_non\_float\_processed,
vehicle\_windows\_float\_processed,
vehicle\_windows\_non\_float\_processed (none in this database),
containers,
tableware,
headlamps