Nothing
## ----,echo=TRUE,results=TRUE---------------------------------------------
rm(list=ls())
library(D2C)
require(RBGL)
require(gRbase)
noNodes<-c(10,20)
## range of number of nodes
N<-c(50,200)
## range of number of samples
sd.noise<-c(0.2,1)
## range of values for standard deviation of additive noise
NDAG=100
## number of DAGs to be created and simulated
trainDAG<-new("simulatedDAG",NDAG=NDAG, N=N, noNodes=noNodes,
functionType = c("linear","quadratic","sigmoid"),
seed=0,sdn=sd.noise,quantize=c(TRUE,FALSE),verbose=FALSE)
## ----, echo=TRUE---------------------------------------------------------
print(trainDAG@NDAG)
## ----, echo=TRUE---------------------------------------------------------
print(trainDAG@list.DAGs[[1]])
print(dim(trainDAG@list.observationsDAGs[[1]]))
## ----,echo=TRUE,eval=TRUE------------------------------------------------
descr.example<-new("D2C.descriptor",bivariate=FALSE,ns=3,acc=TRUE,lin=TRUE)
trainD2C<-new("D2C",sDAG=trainDAG,
descr=descr.example,ratioEdges=1,max.features=30,verbose=FALSE)
## ----,echo=TRUE,results=FALSE--------------------------------------------
print(dim(trainD2C@X))
print(table(trainD2C@Y))
## ----,echo=TRUE,results=FALSE--------------------------------------------
print(trainD2C@mod)
## ----,echo=TRUE----------------------------------------------------------
NDAG.test=50
noNodes<-c(10,20)
## range of number of nodes
N<-c(50,100)
testDAG<-new("simulatedDAG",NDAG=NDAG.test, N=N, noNodes=noNodes,
functionType = c("linear","quadratic","sigmoid"), quantize=c(TRUE,FALSE),
seed=101,sdn=c(0.2,0.5),verbose=FALSE)
## ----,echo=TRUE,results=FALSE,message=FALSE, warning=FALSE,eval=FALSE----
# require(foreach)
# if (!require(bnlearn)){
# install.packages("bnlearn", repos="http://cran.rstudio.com/")
# library(bnlearn)
# }
# FF<-foreach (r=1:testDAG@NDAG) %do%{
# set.seed(r)
# observedData<-testDAG@list.observationsDAGs[[r]]
# trueDAG<-testDAG@list.DAGs[[r]]
#
# ## inference of networks with bnlearn package
# Ahat.GS<-amat(gs(data.frame(observedData),alpha=0.01))
# Ahat.IAMB<-(amat(iamb(data.frame(observedData),alpha=0.01)))
#
# graphTRUE<- as.adjMAT(trueDAG)
#
#
# ## selection of a balanced subset of edges for the assessment
# Nodes=nodes(trueDAG)
# max.edges<-min(30,length(edgeList(trueDAG)))
# subset.edges = matrix(unlist(sample(edgeList(trueDAG),
# size = max.edges,replace = F)),ncol=2,byrow = TRUE)
# subset.edges = rbind(subset.edges,t(replicate(n =max.edges,
# sample(Nodes,size=2,replace = FALSE))))
#
# Yhat.D2C<-NULL
# Yhat.IAMB<-NULL
# Yhat.GS<-NULL
# Ytrue<-NULL
# for(jj in 1:NROW(subset.edges)){
# i =as(subset.edges[jj,1],"numeric");
# j =as(subset.edges[jj,2],"numeric") ;
# pred.D2C = predict(trainD2C,i,j, observedData)
#
# Yhat.D2C<-c(Yhat.D2C,as.numeric(pred.D2C$response) -1)
# Yhat.IAMB<-c(Yhat.IAMB,Ahat.IAMB[i,j])
# Yhat.GS<-c(Yhat.GS,Ahat.GS[i,j])
# Ytrue<-c(Ytrue,graphTRUE[subset.edges[jj,1],subset.edges[jj,2]])
# }
#
# list(Yhat.D2C=Yhat.D2C,Yhat.GS=Yhat.GS,
# Yhat.IAMB=Yhat.IAMB,Ytrue=Ytrue)
# }
#
# Yhat.D2C<-unlist(lapply(FF,"[[",1) )
# Yhat.GS<-unlist(lapply(FF,"[[",2))
# Yhat.IAMB<-unlist(lapply(FF,"[[",3))
# Ytrue<-unlist(lapply(FF,"[[",4))
# ## computation of Balanced Error Rate
# BER.D2C<-BER(Ytrue,Yhat.D2C)
# BER.GS<-BER(Ytrue,Yhat.GS)
#
## ----,echo=TRUE, eval=FALSE----------------------------------------------
# cat("\n BER.D2C=",BER.D2C, "BER.IAMB=",BER.IAMB,"BER.GS=",BER.GS,"\n")
## ----,echo=TRUE,eval=FALSE-----------------------------------------------
# data(alarm)
#
# graphTRUE<-true.net
# set.seed(0)
#
# observedData<-dataset
#
# w.const<-which(apply(observedData,2,sd)<0.1)
# if (length(w.const)>0){
# observedData<-observedData[,-w.const]
# graphTRUE<-graphTRUE[-w.const,-w.const]
# }
# indn<-sort(apply(graphTRUE,1,sum)+apply(graphTRUE,2,sum),decr=TRUE,index=TRUE)$ix[1:100]
# observedData<-observedData[,indn]
# graphTRUE<-graphTRUE[indn,indn]
#
## ----,echo=TRUE,eval=FALSE-----------------------------------------------
# n<-NCOL(observedData)
#
#
# Ahat.GS<-amat(gs(data.frame(observedData)))
# Ahat.IAMB<-amat(iamb(data.frame(observedData),alpha=0.05))
## ----,echo=TRUE,results=FALSE,message=FALSE, warning=FALSE,eval=FALSE----
# Yhat.D2C<-NULL
# Yhat.GS<-NULL
# Yhat.IAMB<-NULL
# Ytrue<-NULL
#
#
# for (i in 1:n){
# ## creation of a balanced test set
# ind1<-which(graphTRUE[i,]==1)
# ind0<-setdiff(setdiff(1:n,i),ind1)
# ind<-c(ind1,ind0[1:length(ind1)])
#
# FF<-foreach(j=ind) %do%{
# list(Yhat=as.numeric(predict(trainD2C,i,j,observedData)$response) -1,
# Yhat2=Ahat.GS[i,j],Yhat3=Ahat.IAMB[i,j],Ytrue=graphTRUE[i,j])
# }
# Yhat.D2C<-c(Yhat.D2C,unlist(lapply(FF,"[[",1) ))
# Yhat.GS<-c(Yhat.GS,unlist(lapply(FF,"[[",2)))
# Yhat.IAMB<-c(Yhat.IAMB,unlist(lapply(FF,"[[",3)))
# Ytrue<-c(Ytrue,unlist(lapply(FF,"[[",4)))
# }
## ----,echo=TRUE,eval=FALSE-----------------------------------------------
# cat("\n BER.D2C=",BER(Ytrue,Yhat.D2C), "BER.GS=",BER(Ytrue,Yhat.GS),
# "BER.IAMB=",BER(Ytrue,Yhat.IAMB),
# "\n")
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