hyptis {chemometrics}

Hyptis data set

Description

30 objects (Wild growing, flowering Hyptis suaveolens) and 7 variables (chemotypes), and 2 variables that explain the grouping (4 groups).

Usage

data(hyptis)

Format

A data frame with 30 observations on the following 9 variables.

Sabinene

a numeric vector

Pinene

a numeric vector

Cineole

a numeric vector

Terpinene

a numeric vector

Fenchone

a numeric vector

Terpinolene

a numeric vector

Fenchol

a numeric vector

Location

a factor with levels East-high East-low North South

Group

a numeric vector with the group information

Details

This data set can be used for cluster analysis.

References

P. Grassi, M.J. Nunez, K. Varmuza, and C. Franz: Chemical polymorphism of essential oils of Hyptis suaveolens from El Salvador. Flavour and Fragrance, 20, 131-135, 2005. K. Varmuza and P. Filzmoser: Introduction to Multivariate Statistical Analysis in Chemometrics. CRC Press, Boca Raton, FL, 2009

Examples

data(hyptis)
str(hyptis)