walker {RGeostats} | R Documentation |
Walker Lake data sets (sample and exhaustive data set), used in Isaaks and Srivastava's Applied Geostatistics.
data(Exdemo_Walker_Lake)
This data frame contains the following columns:
Identification Number
X location in meter
Y location in meter
variable, concentration in ppm
a selection (only for walker_dat) indicating if the sample locations are on the main grid (20 meters by 20 meters)
This data sets were obtained from the data sets on http://www.ai-geostats.org/
Applied Geostatistics by Edward H. Isaaks, R. Mohan Srivastava; Oxford University Press.
data(Exdemo_Walker_Lake) plot(walker_exh) plot(walker_dat,add=TRUE,col=1)