Get the feature labels from a dfm
Get the features from a document-feature matrix, which are stored as the column names of the dfm object.
featnames(x)
x |
the dfm whose features will be extracted |
character vector of the feature labels
dfmat <- dfm(data_corpus_inaugural) # first 50 features (in original text order) head(featnames(dfmat), 50) # first 50 features alphabetically head(sort(featnames(dfmat)), 50) # contrast with descending total frequency order from topfeatures() names(topfeatures(dfmat, 50))
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