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, cm-class,
cm, plot,cm-method,
read.cm, subset,cm-method