Ungroup a sentiment_by Object to the Sentence Level

Description

Ungroup a sentiment_by object, stretching to the element_id and sentence_id levels.

Usage

uncombine(x, ...)

Arguments

Value

Returns a data.table with grouping variables plus:

• element_id - The id number of the original vector passed to sentiment

• word_count - Word count summed by grouping variable

• sd - Standard deviation (sd) of the sentiment/polarity score by grouping variable

• ave_sentiment - Sentiment/polarity score mean average by grouping variable

Examples

mytext <- c(
   'do you like it?  But I hate really bad dogs',
   'I am the best friend.',
   "Do you really like it?  I'm not happy"
)

mytext <- get_sentences(mytext)
(x <- sentiment_by(mytext))
uncombine(x)

(y <- with(
    presidential_debates_2012, 
    sentiment_by(
        text.var = get_sentences(dialogue), 
        by = list(person, time)
    )
))
uncombine(y)