sentimentr_data: Get Available Data

In sentimentr: Calculate Text Polarity Sentiment

Description

See available sentimentr data a data.frame. Note that sentimentr_data is the main function to be used but available_data is exposed to allow other packages to use the functionality in a generic way.

Usage

available_data(regex = NULL, package = "sentimentr", ...)

sentimentr_data(regex = NULL, package = "sentimentr", ...)

Arguments

regex	A regex to search for within the data columns.
package	The name of the package to extract data from.
...	Other arguments passed to grep.

Value

Returns a data.frame

Examples

sentimentr_data()
available_data() ## generic version for export
available_data(package = 'datasets')
sentimentr_data('^hu')
sentimentr_data('^(hu|kot)')
combine_data(sentimentr_data('^(hu|kot)')[[1]])

## Not run: 
if (!require("pacman")) install.packages("pacman")
pacman::p_load(sentimentr, tidyverse, magrittr)

sentiment_data <- sentimentr_data('^hu') %>%
    pull(Data) %>%
    combine_data() %>%
    mutate(id = seq_len(n())) %>%
    as_tibble()
    
sentiment_test <- sentiment_data %>%
    select(-sentiment) %>%
    get_sentences() %$%
    sentiment(., by = c('id'))

testing <- sentiment_data %>%
    left_join(sentiment_test, by = 'id') %>%
    as_tibble() %>%
    mutate(
        actual = sign(sentiment),
        predicted = sign(ave_sentiment)
    )

testing %$%
    ftable(predicted, actual)

## End(Not run)

sentimentr documentation built on Oct. 12, 2021, 9:06 a.m.