uranium {copula}

Uranium Exploration Dataset of Cook & Johnson (1986)

Description

These data consist of log concentrations of 7 chemical elements in 655 water samples collected near Grand Junction, CO (from the Montrose quad-rangle of Western Colorado). Concentrations were measured for the following elements: Uranium (U), Lithium (Li), Cobalt (Co), Potassium (K), Cesium (Cs), Scandium (Sc), And Titanium (Ti).

Usage

data(uranium, package="copula")

Format

A data frame with 655 observations of the following 7 variables:

U

(numeric) log concentration of Uranium.

Li

(numeric) log concentration of Lithium.

Co

(numeric) log concentration of Colbalt.

K

(numeric) log concentration of Potassium.

Cs

(numeric) log concentration of Cesium.

Sc

(numeric) log concentration of Scandum.

Ti

(numeric) log concentration of Titanium.

References

Cook, R. D. and Johnson, M. E. (1986) Generalized BurrParetologistic distributions with applications to a uranium exploration data set. Technometrics 28, 123–131.

Examples

data(uranium)