custom_stopwords        Default custom stop words
discipline_labels       Discipline and Subject labels dataset
generate_offline_data   Generate data for offline testing Mockup test
                        data
get_papers_count        Number of paper for a given query
get_term_document_matrix
                        A TermDocumentMatrix corpus objects
get_top_term_papers     Get papers for top "N" terms
join_keywords           Get paper count and paper dataframe by joining
                        keywords as vectors
make_search_url         Make a search URL for OnePetro
onepetro_page_to_dataframe
                        Reads a OnePetro URL and converts it to a
                        dataframe
papers_by_publication   Papers by publication
papers_by_publisher     Papers by publisher
papers_by_type          Summary by document type
papers_by_year          Papers by Year
petro.One-package       Text mining and statistics for OnePetro papers
                        petro.One
plot_bars               Plot frequency distribution with horizontal
                        bara
plot_cluster_dendrogram
                        Plot a dendrogram
plot_relationships      Plot a relationship diagram with weights
plot_wordcloud          Plot a word cloud
read_multidoc           Read all OnePetro papers metadata by type of
                        document
read_multipage          Reads metadata in groups of 1000 papers
read_onepetro           Read OnePetro web page given a query URL
remove_duplicates_by    Remove duplicate papers by a variable
run_papers_search       Run a papers search providing multiple keywords
                        and optionally save results.
summary_by_dates        Summary by year
summary_by_doctype      Summary by document type
summary_by_publications
                        Summary by publication
summary_by_publisher    Summary by publisher
term_frequency          Word Frequency Dataframe
term_frequency_n_grams
                        Find the frequency for two or more words
                        together
use_example             Unpack an example
