quanteda (version 0.8.6-0)

head.dfm: Return the first or last part of a dfm

Description

For a dfm-class object, returns the first or last n documents and first ncol features for inspection.

Usage

## S3 method for class 'dfm':
head(x, n = 6L, nfeature = 6L, ...)
## S3 method for class 'dfm':
tail(x, n = 6L, nfeature = 6L, ...)

Arguments

x

a dfm object

n

a single integer. If positive, size for the resulting object: number of first/last documents for the dfm. If negative, all but the n last/first number of documents of x.

nfeature

the number of features to return, where the resulting object will contain the first ncol features

...

arguments to be passed to or from other methods.

Value

• A dfm-class class object corresponding to the subset defined by n and ncol.

  A dfm-class class object corresponding to the subset defined by n and ncol.

Examples

myDfm <- dfm(inaugCorpus, ngrams = 2, verbose = FALSE)
head(myDfm)
tail(myDfm)
tail(myDfm, nfeature = 4)