[R] tests for NULL objects

[Benilton Carvalho]

Hi Everyone,

After searching the subject and not being successful, I was wondering  
if any you could explain me the idea behind the following fact:

all(NULL == 2)  ## TRUE
any(NULL == 2) ## FALSE

Thanks a lot,

Benilton

--
Benilton Carvalho
PhD Candidate
Department of Biostatistics
Johns Hopkins University