Performs sentiment analysis on text data using the syuzhet package.
Returns sentiment scores and classifications.
Usage
analyze_sentiment(texts, method = "syuzhet", doc_ids = NULL)
Arguments
- texts
Character vector of texts to analyze
- method
Sentiment analysis method: "syuzhet", "bing", "afinn", or "nrc" (default: "syuzhet")
- doc_ids
Optional character vector of document identifiers (default: NULL)
Value
A data frame with columns:
- document
Document identifier
- text
Original text
- sentiment_score
Numeric sentiment score
- sentiment
Classification: "positive", "negative", or "neutral"
Examples
if (FALSE) { # \dontrun{
texts <- c(
"This research shows promising results for students.",
"The intervention had no significant effect.",
"Students struggled with the complex material."
)
results <- analyze_sentiment(texts)
print(results)
} # }
