cereal {chemometrics} | R Documentation

## Data from cereals

### Description

For 15 cereals an X and Y data set, measured on the same objects, is available. The X data are 145 infrared spectra, and the Y data are 6 chemical/technical properties (Heating value, C, H, N, Starch, Ash). Also the scaled Y data are included (mean 0, variance 1 for each column). The cereals come from 5 groups B=Barley, M=Maize, R=Rye, T=Triticale, W=Wheat.

### Usage

    data(cereal)

### Format

A data frame with 15 objects and 3 list elements:

`X`
  matrix with 15 rows and 145 columns
`Y`
  matrix with 15 rows and 6 columns
`Ysc`
  matrix with 15 rows and 6 columns

### Details

The data set can be used for PLS2.

### Source

K. Varmuza and P. Filzmoser: Introduction to Multivariate Statistical Analysis in Chemeometrics. CRC Press, Boca Raton, FL, 2009.

### References

K. Varmuza and P. Filzmoser: Introduction to Multivariate Statistical Analysis in Chemeometrics. CRC Press, Boca Raton, FL, 2009.

### Examples

    data(cereal)
    names(cereal)

[Package chemometrics version 0.6 Index]