coherence |
Helper function for calculating coherence for a single topic's worth of terms |
contain_equal_docs |
Helper function to check that a topic model and a dtm contain the same number of documents |
dist_from_corpus |
Calculate the distance of each topic from the overall corpus token distribution |
doc_prominence |
Calculate the document prominence of each topic in a topic model |
mean_token_length |
Calculate the average token length for each topic in a topic model |
n_topics |
Helper function to determine the number of topics in a topic model |
tf_df_dist |
Calculate the distance between token and document frequencies |
tf_df_dist_diff |
Helper function to calculate the Hellinger distance between the token frequencies and document frequencies for a specific topic's top N tokens |
topic_coherence |
Calculate the topic coherence for each topic in a topic model |
topic_diagnostics |
Calculate diagnostics for each topic in a topic model |
topic_exclusivity |
Calculate the exclusivity of each topic in a topic model |
topic_size |
Calculate the size of each topic in a topic model |