Plot bars for words in each topic
Usage
plot_topic_bars(
lda,
topics,
top_n = 10,
expand_bars = TRUE,
save = TRUE,
saveas = "png",
savedir = "plots"
)Arguments
- lda
The topic model to be used.
- topics
The topic numbers to view
- top_n
The number of words to show for each topic
- expand_bars
Whether to stretch the bars the length of the X-axis for each facet
- save
By default, the visualization will be saved. Set to FALSE to skip saving.
- saveas
The filetype for saving resulting visualizations. By default, the files will be in "png" format, but other options such as "pdf" or "jpg will also work.
- savedir
The directory for saving output images. By default, this is set to "plots/".
Examples
austen <-
get_gutenberg_corpus(c(105, 121, 141, 158, 161, 946, 1342)) |>
dplyr::select(doc_id = title, text)
austen_lda <-
austen |>
make_topic_model(k = 30)
austen_lda |>
plot_topic_bars(topics = c(22, 6)) +
labs(title = "Competing topics in Northanger Abbey")
See also
Other visualizing helpers:
change_colors(),
plot_bigrams(),
plot_doc_word_bars(),
plot_doc_word_heatmap(),
plot_hapax(),
plot_htr(),
plot_tf_idf(),
plot_topic_distributions(),
plot_topic_wordcloud(),
plot_ttr(),
plot_vocabulary(),
visualize()