cereal {chemometrics}

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 Chemometrics. CRC Press, Boca Raton, FL, 2009.

References

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

Examples

data(cereal)
names(cereal)