This is the second time within 24 hours that you cross-posted the same question to two of the R mailing lists, please read the posting guide linked at the bottom of this mail on how to properly ask your questions.
As for your question: I'm not aware of an R package that would be able to do what you are looking for, but you might also ask the maintainer of the package you're specifically interested in for more details. Z On Fri, 25 Mar 2005, zhihua li wrote: > hi netters: > > I have a series of discrete variables which form a network and I want to > learn the network structure from some training data. I could have used > packages like deal but there are two problems. > > First of all, I have 10000 variables. So the possible network structure is > awfully huge, I don't know how long it will take my PC to find the > highest-scoring network..........maybe a month? > Secondly, I have some prior knowledge that only 500 out of the 10000 > variales are possible parents. In another word, only those arrows startting > from the 500 variables and pointing to the remaining 99500 variables are > allowed in the network. In deal an assignment to "banlist" should help me > rule out the impossible arrows. But in my case the number of "impossible > arrows" is 500*499+99500*99549, and so the "banlist" would get > unacceptable long. Are there any methods (in deal or other packages) to > specify the parents set in advance? > > Thanks a lot! > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
