sentiment_histogram {Goodreader} | R Documentation |
Create a histogram of sentiment scores
Description
This function creates a histogram of sentiment scores for all reviews.
Usage
sentiment_histogram(sentiment_df)
Arguments
sentiment_df |
A data frame containing the output from analyze_sentiment. |
Value
A ggplot object representing the histogram.
Examples
# Create a temporary file with sample book IDs
temp_file <- tempfile(fileext = ".txt")
writeLines(c("1420", "2767052", "10210"), temp_file)
# Run the scrape_reviews function
reviews <- scrape_reviews(temp_file, num_reviews = 10, use_parallel = FALSE)
# Check if reviews were successfully scraped
if (nrow(reviews) > 0) {
# Perform sentiment analysis
sentiment_results <- analyze_sentiment(reviews, lexicon = "afinn")
# Create histogram of sentiment scores
sentiment_hist <- sentiment_histogram(sentiment_results)
# Display the plot
print(sentiment_hist)
# Optionally, save the plot
# ggsave("sentiment_hist.png", sentiment_hist, width = 8, height = 6)
} else {
cat("No reviews found. Cannot create sentiment histogram.\n")
}
# Clean up: remove the temporary file
file.remove(temp_file)
[Package Goodreader version 0.1.1 Index]