Nothing
nubbi.collapsed.gibbs.sampler <-
function (contexts, pair.contexts, pairs, K.individual, K.pair,
vocab, num.iterations, alpha, eta, xi)
{
pair.sources <- cbind(pairs, 0:(length(pair.contexts) - 1) +
length(contexts))
sources <- c(as.list(0:(length(contexts) - 1)), mapply(c,
pair.sources[, 1], pair.sources[, 2], pair.sources[,
3], SIMPLIFY = FALSE))
retval <- structure(.Call("nubbi", c(contexts, pair.contexts),
sources, rep(0:1, c(length(contexts), length(pair.contexts))),
as.integer(c(K.individual, K.pair)), as.integer(length(vocab)),
as.integer(num.iterations), as.double(alpha), as.double(eta),
as.double(xi)), names = c("topic_assignments", "source_assignments",
"topics", "topic_sums", "document_sums", "document_source_sums"))
retval$source_assignments <- retval$source_assignments[(length(contexts) +
1):(length(contexts) + length(pair.contexts))]
retval$document_source_sums <- matrix(unlist(retval$document_source_sums[(length(contexts) +
1):(length(contexts) + length(pair.contexts))]), ncol = 3,
byrow = TRUE)
colnames(retval$topics) <- vocab
retval
}
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