cm object, presenting such information
as the station name, sampling location, data ranges, etc.
"summary"(object, ...)cm object, i.e. one inheriting from cm-class.cm-class explains the structure
of cm objects, and also outlines the other functions dealing with them.Other things related to cm data: [[,cm-method,
[[<-,cm-method, as.cm,
cm-class, cm,
plot,cm-method, read.cm,
subset,cm-method