featnames: Get the feature labels from a dfm

Description Usage Arguments Value Examples

View source: R/dfm-methods.R

Description

Get the features from a document-feature matrix, which are stored as the column names of the dfm object.

Usage

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Arguments

x

the dfm whose features will be extracted

Value

character vector of the feature labels

Examples

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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))

quanteda/quanteda documentation built on Feb. 16, 2019, 5:45 a.m.