[R] [R-pkgs] New package: gRain - gRAphical Independence Networks

[fkh]

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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