import(methods) | |
import(graphics) | |
## instead of just | |
## importFrom("graphics", plot) # because we want to define methods on it | |
## *Still* do not want warning from this | |
## as "mgcv": this loads Matrix, but does not attach it ==> Matrix methods "semi-visible" | |
importFrom(Matrix, t,mean,colMeans,colSums) | |
exportClasses("classA", "classApp") # mother and sub-class R/pkgA.R | |
exportMethods("plot") | |
export(nil) | |
export(search)# --> "conflict message" |