On Sat, Nov 28, 2009 at 11:00 PM, David Winsemius <dwinsem...@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 <dwinsem...@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. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.