Example of Using an S3 Class in a S4 Object

Question

I want to include an RODBC connection as part of S4 object. It looks like RODBC is S3. For example:

setClass(
  Class=\"Node\",
  representation=representati         


        

Answer 1

Although the documentation is quite involved for this function, if all you need to do include the class in a slot it is as simple as:

setOldClass("RODBC")

setClass(
  Class="Node",
  representation=representation(
    nodeName = "character",
    connection = "RODBC"
  )                    
)

This is also what you would use for reference classes.