[R] What is the difference between typeof and storage.mode?

[David Winsemius]

On Feb 10, 2010, at 7:54 PM, David Winsemius wrote:

>
> On Feb 10, 2010, at 7:47 PM, bluesky315 at gmail.com wrote:
>
>> On Wed, Feb 10, 2010 at 6:40 PM, David Winsemius <dwinsemius at comcast.net 
>> > wrote:
>>>
>>> On Feb 10, 2010, at 6:34 PM, bluesky315 at gmail.com wrote:
>>>
>>>> S Programming by Venables and Ripley (2000) says on page 8, "R  
>>>> objects
>>>> have another way to give information using the function
>>>> \tttext{typeof}, which often gives the same information as
>>>> \tttext{storage.mode}." It implies that there are some differences
>>>> between typeof and storage.mode.
>>>>
>>>> However, according to ?typeof and ?storage.mode, it doesn't seem  
>>>> to be
>>>> so. Could somebody let me know if there is any difference? If there
>>>> is, what the difference is?
>>>
>>> Dear Peng Yu;
>>>
>>> There is a difference.
>>
>> Would you please give me an example when they will be different?
>
> It took me about 20 seconds to find an example where they were  
> different using typical objects in my workspace.  You have been at  
> this for about a year now. I think you are taking the easy route  
> out, rather than working some of these answers out by yourself.

Furthermore the answer is readily available from the obvious help  
pages, which you have been repeatedly directed to.

--

David Winsemius, MD
Heritage Laboratories
West Hartford, CT