copper {SemiPar} | R Documentation |
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.
data(copper)
This data frame contains the following columns:
Clark, I. and Harper, W.V. (2000). Practical Geostatistics 2000. Columbus, Ohio: Ecosse North America Llc.
library(SemiPar) data(copper) pairs(copper[,4:7])