tCorpus-cash-set_levels: Change levels of factor columns
In kasperwelbers/corpustools: Managing, Querying and Analyzing Tokenized Text

tCorpus$set_levels

R Documentation

Change levels of factor columns

Description

For factor columns, the levels can be changed directly (and by reference). This is particularly usefull for fast preprocessing (e.g., making tokens lowercase, )

Arguments

`column`	the name of the column
`levels`	The new levels

Details

Usage:

## R6 method for class tCorpus. Use as tc$method (where tc is a tCorpus object).

set_levels(column, levels)

set_meta_levels(column, levels)

Examples

tc = create_tcorpus(c('Text one first sentence. Text one second sentence', 'Text two'))

## change factor levels of a column in the token data
unique_tokens <- tc$get_levels('token')
tc$set_levels('token', toupper(unique_tokens))
tc$tokens

kasperwelbers/corpustools documentation built on May 10, 2023, 5:02 p.m.