quanteda (version 0.9.2-0)

subset.corpus: extract a subset of a corpus

Description

Returns subsets of a corpus that meet certain conditions, including direct logical operations on docvars (document-level variables). Works just like the normal subset command but for corpus objects.

Usage

## S3 method for class 'corpus':
subset(x, subset, select, ...)

Arguments

x

corpus object to be subsetted.

subset

logical expression indicating elements or rows to keep: missing values are taken as false.

select

expression, indicating the attributes to select from the corpus

...

not used

Value

• corpus object

See Also

select

Examples

summary(subset(inaugCorpus, Year>1980))
summary(subset(inaugCorpus, Year>1930 & President=="Roosevelt", select=Year))