R packages - Jan 2008 - New package: gRain - gRAphical Independence Networks

Dear useRs
 
I have uploaded a new package, gRain, for propability propagation in graphical
independence networks; sometimes also called probabilistic expertsystems and
Bayesian networks.
 
Regards
S?ren H?jsgaard

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I am trying to use your package gRain using your book on graphical models in
R to do predictions, I have 38 columns of vectors all factors and built a 
bayesian network using iamb() function, then I used the following command to
make a grpahNEL (However, I have 38 nodes and 106 edges) using 
BN<-iamb(data1)
BN.gr<-as(amat(BN),"graphNEL")
Then when I am using the following command to make a grain object I got the
following errors, any thoughts? Thanks a lot for your help in advance.

BN.grain<-grain(BN.gr,data=data1)

Error in function (classes, fdef, mtable)  : 
  unable to find an inherited method for function "nodes", for
signature
"graphNEL", "missing"




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On 29.11.2012 20:46, fkh wrote:
> I am trying to use your package gRain using your book on graphical models
in
> R to do predictions, I have 38 columns of vectors all factors and built a
> bayesian network using iamb() function, then I used the following command
to
> make a grpahNEL (However, I have 38 nodes and 106 edges) using
> BN<-iamb(data1)
> BN.gr<-as(amat(BN),"graphNEL")
> Then when I am using the following command to make a grain object I got the
> following errors, any thoughts? Thanks a lot for your help in advance.
>
> BN.grain<-grain(BN.gr,data=data1)
>
> Error in function (classes, fdef, mtable)  :
>    unable to find an inherited method for function "nodes", for
signature
> "graphNEL", "missing"
>
>
Are you aware you posted to the mailing list rather than to the package 
maintainer?

Uwe Ligges
>
>
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> View this message in context:
http://r.789695.n4.nabble.com/R-pkgs-New-package-gRain-gRAphical-Independence-Networks-tp846943p4651338.html
> Sent from the R help mailing list archive at Nabble.com.
>
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