library(CRFutil)
# Graph formula:
grphf <- ~A:B:C
adj <- ug(grphf, result="matrix")
n.states <- 2
fitc <- make.crf(adj, n.states)
fitc <- make.features(fitc)
fitc <- make.par(fitc, 6)
# Parameterization:
fitc$node.par[1,1,] <- 1
fitc$node.par[2,1,] <- 2
fitc$node.par[3,1,] <- 2
fitc$edge.par[[1]][1,1,1] <- 3
fitc$edge.par[[1]][2,2,1] <- 3
fitc$edge.par[[2]][1,1,1] <- 2
fitc$edge.par[[2]][2,2,1] <- 4
fitc$edge.par[[3]][1,1,1] <- 5
fitc$edge.par[[3]][2,2,1] <- 6
s1<-1
s2<-2
f0 <- function(y){ as.numeric(c((y==1),(y==2)))} # Feature function
configs <- rbind(
c(1,1,1),
c(1,2,1),
c(2,2,1),
c(2,2,2)
)
# Make up a test parameter vector:
theta <- c(1,2,3,4,5,6)
fitc$par <- theta
make.pots(parms=fitc$par, crf = fitc, rescaleQ=F, replaceQ=T, format = "regular", printQ=T)
fitc$node.pot
fitc$edge.pot
fitc$node.par
fitc$edge.par
# Check: get the parameter vector back?
make.par.from.potentials(fitc)
#
gr.info <- make.gRbase.potentials(crf = fitc, node.names = c("A","B","C"), state.nmes = c(1,2))
xn <- 1
cn <- 1
conditional.config.energy2( config = configs[xn,], condition.element.number = cn, crf=fitc, ff=f0, printQ=FALSE)
conditional.config.energy( config = configs[xn,], condition.element.number = cn, crf=fitc, ff=f0, printQ=FALSE)
conditional.config.energy.old( config = configs[xn,], condition.element.number = cn,
adj.node.list = fitc$adj.nodes,
edge.mat = fitc$edges,
one.lgp = gr.info$node.energies,
two.lgp = gr.info$edge.energies,
ff = f0,
printQ = F)
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