## Meteorological Measurements for 11 Years

### Description

Several meteorological measurements for a period between 1920 and 1931.

### Usage

data("meteo")

### Format

A data frame with 11 observations on the following 6 variables.

`year`

the years.

`rainNovDec`

rainfall in November and December (mm).

`temp`

average July temperature.

`rainJuly`

rainfall in July (mm).

`radiation`

radiation in July (millilitres of alcohol).

`yield`

average harvest yield (quintals per hectare).

### Details

Carry out a principal components analysis of both the covariance
matrix and the correlation matrix of the data and compare the
results. Which set of components leads to the most meaningful
interpretation?

### Source

B. S. Everitt and G. Dunn (2001), *Applied Multivariate Data
Analysis*, 2nd edition, Arnold, London.

### Examples

data("meteo", package = "HSAUR")
meteo