[R] What is the equivalent of column.prods() from S in R?

[Peng Yu]

On Sat, Nov 28, 2009 at 11:00 PM, David Winsemius
<dwinsemius at comcast.net> wrote:
>
> On Nov 28, 2009, at 11:28 PM, Peng Yu wrote:
>
>> On Mon, Nov 9, 2009 at 8:35 PM, David Winsemius <dwinsemius at comcast.net>
>> wrote:
>>>
>>> On Nov 9, 2009, at 8:43 PM, Peng Yu wrote:
>>>
>>>> Chambers' book Statistical Models in S mentioned 'column.prods()'. But
>>>> I don't find it in R. I'm wondering if there is an equivalent in R?
>>>
>>> ??rowProds
>>> ??colProds
>>>
>>> (They are in both fUtilities and timeSeries.)
>>
>> Are you sure that colProds() is equivalent to column.prods()? It seems
>> that column.prods() should be a very basic function in S, but I have
>> to load a package in order to call colProds().
>>
>> I don't see how to construct a matrix give terms as mentioned in the
>> book. Would you please give me some examples?
>
> Page numbers? Specifics? ....something to go on?

As is mentioned in the appendix of the book, it is on page 38.