Nothing
.packageName <- 'upclass'
noupclassifymodel <- function (Xtrain, cltrain, Xtest, cltest = NULL, modelName = "EEE", ...)
{
functioncall <- match.call(expand.dots = TRUE)
if (is.matrix(Xtrain)) {
Ntrain <- nrow(Xtrain)
}
else {
Ntrain <- length(Xtrain)
}
if (is.matrix(Xtest)) {
Ntest <- nrow(Xtest)
}
else {
Ntest <- length(Xtest)
}
ltrain <- unmap(cltrain)
grps<-names(table(cltrain)) # need this for the unmap command
G <- ncol(ltrain)
if (!is.null(cltest)) {
ltest <-unmap(cltest,groups=grps)
}
if (is.matrix(Xtrain) & (!is.matrix(Xtest))) {
Xtest <- matrix(Xtest, 1, length(Xtest))
if (!is.null(cltest)) {
ltest <- matrix(ltest, 1, length(ltest))
}
}
if (is.matrix(Xtrain)) {
d <- ncol(Xtrain)
}
else {
d <- 1
}
G <- dim(ltrain)[2]
fitm <- mstep(modelName = modelName, data = Xtrain, z = ltrain)
fite <- do.call("estep", c(list(data = Xtest), fitm))
z <- fite$z
mTau.train <- matrix(log(fitm$parameters$pro), Ntrain, fitm$G,
byrow = TRUE)
lDensity.train <- do.call("cdens", c(list(data = Xtrain,
logarithm = TRUE), fitm))
sum.train <- mTau.train + lDensity.train
mat.train <- ltrain * sum.train
ll <- sum(mat.train)
res <- list()
res$call <- functioncall
res$Ntrain <- Ntrain
res$Ntest <- Ntest
res$d <- d
res$G <- G
res$modelName <- modelName
res$parameters <- fitm$parameters
fitetrain <- do.call("estep", c(list(data = Xtrain),
fitm))
ztrain <- fitetrain$z
cltrain <- map(ztrain)
tab0 <- table(map(ltrain), cltrain)
tab <- matrix(0, G, G)
rownames(tab) <- colnames(tab) <- 1:G
tab[rownames(tab0), colnames(tab0)] <- tab0
rate <- sum(tab) - sum(diag(tab))
Brier <- sum((ltrain - ztrain)^2)*100/(2*Ntrain)
res$train <- list()
res$train$z <- ztrain
res$train$cl <- cltrain
res$train$misclass <- rate
res$train$rate <-rate*100/length(cltrain)
res$train$Brierscore <- Brier
res$train$tab <- tab
cl <- map(z)
res$test <- list()
res$test$z <- z
res$test$cl <- cl
if (!is.null(cltest)) {
cltest <- map(ltest)
tab0 <- table(cltest, cl)
tab <- matrix(0, G, G)
rownames(tab) <- colnames(tab) <- 1:G
tab[rownames(tab0), colnames(tab0)] <- tab0
rate <- sum(tab) - sum(diag(tab))
Brier <- sum((ltest - z)^2)*100/(2*Ntest)
res$test$misclass <- rate
res$test$rate <-rate*100/length(cltest)
res$test$Brierscore <- Brier
res$test$tab <- tab
}
bic.all <- bic(modelName, ll, fitm$n, fitm$d, fitm$G)
res$ll <- ll
res$bic <- bic.all
res
}
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