Walker Lake sample data set

Description

This is the Walker Lake sample data set (not the exhaustive data set!), used in Isaaks and Srivastava's Applied Geostatistics.

Usage

data(walker)

Format

This data frame contains the following columns:

Id

Identification Number

X

Xlocation in meter

Y

Ylocation in meter

V

V variable, concentration in ppm

U

U variable, concentration in ppm

T

T variable, indicator variable

Note

This data set was obtained from http://www.ai-geostats.org/resources/data/walker.dat; The full (exhaustive) Walker Lake set is available from http://www.ai-geostats.org/resources/data/WalkerLake.zip

References

Applied Geostatistics by Edward H. Isaaks, R. Mohan Srivastava; Oxford University Press.

Examples

data(walker)
summary(walker)