clusters_by_doc_table {rainette}

Returns the number of segment of each cluster for each source document

Description

Returns the number of segment of each cluster for each source document

Usage

clusters_by_doc_table(obj, clust_var = NULL, doc_id = NULL, prop = FALSE)

Arguments

obj

a corpus, tokens or dtm object

clust_var

name of the docvar with the clusters

doc_id

docvar identifying the source document

prop

if TRUE, returns the percentage of each cluster by document

Details

This function is only useful for previously segmented corpus. If doc_id is NULL and there is a sement_source docvar, it will be used instead.

See Also

docs_by_cluster_table()

Examples

require(quanteda)
corpus <- data_corpus_inaugural
corpus <- head(corpus, n = 10)
corpus <- split_segments(corpus)
tok <- tokens(corpus, remove_punct = TRUE)
tok <- tokens_remove(tok, stopwords("en"))
dtm <- dfm(tok, tolower = TRUE)
dtm <- dfm_trim(dtm, min_docfreq = 2)
res <- rainette(dtm, k = 3, min_segment_size = 15)
corpus$cluster <- cutree(res, k = 3)
clusters_by_doc_table(corpus, clust_var = "cluster", prop = TRUE)