search for: showself

Displaying 2 results from an estimated 2 matches for "showself".

2012 Aug 06
1
OO code organization
Greetings,   I am using S4 classes and the code is organized by putting each class into a separate source file in a separate folder:   In Folder base/base.R:    defines class "base" and does   setGeneric("showSelf",     function(this) standardGeneric("showSelf") ) setMethod("showSelf", signature(this="base"), definition= function(this){ ... } )       For j=1,...,n: in  derived_j/derived_j.R:   defines class "derived_j" and does   setMethod("showSelf", si...
2011 Jun 08
1
Reference Class error message: may be caused by lazy evaluation?
...methods = list( addOne = function(){ a <<- a+1 print(a) }, add = function(){ addOne() }, show = function(){ print(addOne) }, showself = function(){ print(.self$addOne) } )) obj <- new("testclass", a = 1) obj$show() # Error in print(addOne) : object 'addOne' not found obj$addOne()...