sm_compare_models       Compare Multiple Topic Models
sm_create_dtm           Create Document-Term Matrix
sm_get_indexed_keywords
                        Get Indexed Keywords from Scopus
sm_keyword_network      Create Keyword Co-occurrence Network
sm_plot_topic_frequency
                        Plot Topic Frequency Distribution
sm_plot_topic_terms     Plot Topic Term Probabilities
sm_plot_topic_trends    Plot Topic Trends Over Time
sm_preprocess_text      Preprocess Text for Topic Modeling
sm_search_scopus        Search Scopus Database
sm_select_optimal_k     Select Optimal Number of Topics
sm_set_api_key          Set Scopus API Key
sm_train_lda            Train LDA Topic Model
theme_sportminer        SportMiner Custom ggplot2 Theme
