quanteda (version 0.9.7-17)

features: extract the feature labels from a dfm

Description

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

Usage

features(x)
"features"(x)

Arguments

x

the object (dfm) whose features will be extracted

Value

Character vector of the features

Examples

inaugDfm <- dfm(inaugTexts, verbose = FALSE)

# first 50 features (in original text order)
head(features(inaugDfm), 50)

# first 50 features alphabetically
head(sort(features(inaugDfm)), 50)

# contrast with descending total frequency order from topfeatures()
names(topfeatures(inaugDfm, 50))