extract_sentiment: Extract sentiment vectors from a document-term data_frame
In JiachengHe/TextAnalysis:
Description
Usage
Arguments
Value
Author(s)
Examples
Description
Input the document-term data_frame, match each word in each document
to a sentiment database, and calculate the sentiment intensity of each document
Usage
1
extract_sentiment(df, lexicon)
Arguments
df
The document-term data_frame output from create_DTM
lexicon
The sentiment database. lexicon = c("affin", "bing", "nrc", "loughran")
Value
A data_frame where each row represents a document and each column represents a sentiment.
If we use "affin" then it returns the sentiment score
Author(s)
Jiacheng He
Examples
1
2
extract_sentiment(text, "nrc")
extract_sentiment(text, "affin")
JiachengHe/TextAnalysis documentation built on May 28, 2019, 7:51 a.m.
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Description Usage Arguments Value Author(s) Examples
Description
Input the document-term data_frame, match each word in each document to a sentiment database, and calculate the sentiment intensity of each document
Usage
1 | extract_sentiment(df, lexicon)
|
Arguments
df |
The document-term data_frame output from create_DTM |
lexicon |
The sentiment database. lexicon = c("affin", "bing", "nrc", "loughran") |
Value
A data_frame where each row represents a document and each column represents a sentiment. If we use "affin" then it returns the sentiment score
Author(s)
Jiacheng He
Examples
1 2 | extract_sentiment(text, "nrc")
extract_sentiment(text, "affin")
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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