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##See file ensemble.org for documentation
ensemble <- function(dat, train, test, labs, bel.type = c('kde', 'knn', 'jit'), bel_options)
{
cols <- ncol(dat)
bpamats <- NULL
nmats <- 0
bel_fn <- switch(bel.type,
kde = kde_bel.builder(labs, test, train, options = bel_options),
knn = knn_bel.builder(labs, test, train, options = bel_options),
jit = jit_bel.builder(labs, test, train, options = bel_options))
try.matrices <- function(n, mc.cores = detectCores() - 2)
{
tmp <- vector('list' , n)
for(i in 1:n)
{
## seed <- .Random.seed
F <- basis_random(cols)
tmp[[i]] <- bpamat(info = F)
}
l <- mclapply(tmp, function(x) bel_fn(P = dat %*% x$get.info()) , mc.cores = mc.cores)
for(i in 1:n)
tmp[[i]]$assign.mat(l[[i]])
if(nmats == 0)
bpamats <<- tmp
else
bpamats <<- c(bpamats, tmp)
nmats <<- nmats + n
}
get.class.mat <- function()
{
aa <- do.call('rbind', lapply(bpamats, function(x) t(x$get.mat())))
aa[order(row.names(aa)),] ##This works
}
return(list(get.bpamats = function() bpamats,
try.matrices = try.matrices,
get.class.mat = get.class.mat))
}
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