ruleNegativity

Dictionary of type <code><a rd-options="" href="/link/SentimentDictionaryBinary?package=SentimentAnalysis&version=1.3-4" data-mini-rdoc="SentimentAnalysis::SentimentDictionaryBinary">SentimentDictionaryBinary</a></code>

Ratio of words labeled as negative in that dictionary compared to the total 
number of words in the document. Here, it uses the entry <code>negativeWords</code>
of the <code>SentimentDictionaryBinary</code>.

rules

Performs a sentiment analysis of textual contents in R. This implementation
utilizes various existing dictionaries, such as Harvard IV, or finance-specific
dictionaries. Furthermore, it can also create customized dictionaries. The latter
uses LASSO regularization as a statistical approach to select relevant terms based on
an exogenous response variable.

Nicolas Proellochs

SentimentAnalysis

Dictionary-Based Sentiment Analysis

Stefan Feuerriegel

ruleNegativity function

<dl><dt>dtm</dt>
<dd>Document-term matrix</dd>
<dt>d</dt>
<dd>Dictionary of type <code>SentimentDictionaryBinary</code></dd></dl>

Arguments

Ratio of negative words — ruleNegativity

<dl>

<dt>dtm</dt>
<dd>Document-term matrix</dd>


<dt>d</dt>
<dd>Dictionary of type <code>SentimentDictionaryBinary</code></dd>

</dl>

ruleNegativity: Ratio of negative words

Description

Usage

Value

Arguments