On 09/15/2010 12:03 PM, darckeen wrote:
>
> Class("person",representation(age="numeric",weight="numeric"))
> [1] "person"
>> bob <- new("person",age=30)
>> is.null(b...@weight)
> [1] FALSE
>> b...@weight
> numeric(0)
>> b...@weight == numeric(0)
> logical(0)
Hi darckeen -- use the prototype argument to setClass to assign a
default value, and test for that. Martin
>
> How can i test to see if a s4 property is assigned?
>
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