crm.test: National Geochemical Reconnaissance survey QA/QC data
Description
A subset of Control Reference Material (CRM) data from NGR surveys undertaken in 2000 and 2001.source
Internal Geological Survey of Canada files.Details
The value of CRM is used to select the CRM data to be displayed, either by creating a specific subset, e.g., using gx.subset
, or using the R construct Cu[CRM=="X"]
in the call to function crm.plot
.