copper {SemiPar}R Documentation

Copper data

Description

The copper data frame has 442 sets of observations from a simulation based on a stockpile of mined material in the former Soviet Union. Boreholes have been drilled into the dump. The drill core is cut every 5 metres and assayed for copper and cobalt content in percentage by weight.

Usage

data(copper)

Format

This data frame contains the following columns:

sample.num
sample number.
id
sample identification number.
zone
zone code.
xcoord
x co-ordinate.
ycoord
y co-ordinate.
zcoord
z co-ordinate.
grade
grade measurement.
core.length
percentage of copper.

Source

Clark, I. and Harper, W.V. (2000). Practical Geostatistics 2000. Columbus, Ohio: Ecosse North America Llc.

Examples

library(SemiPar)
data(copper)
pairs(copper[,4:7])

[Package SemiPar version 1.0-2 Index]