R: Hyptis data set

hyptis {chemometrics} | R Documentation

## 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 \& 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)

[Package chemometrics version 1.4.2 Index]