R: Glass Identification Database

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

[Package mda version 0.5-2 Index]