| bibli_data_table | A selected dataset of bibliometric data on the topic of "Library science" |
| doc_group | Construct network of documents based on keyword co-occurrence |
| keyword_clean | Automatic keyword cleaning and transfer to tidy format |
| keyword_cloud | Draw word cloud for grouped keywords |
| keyword_extract | Extract keywords from raw text |
| keyword_group | Construct network from a tidy table and divide them into groups |
| keyword_merge | Merge keywords that supposed to have same meanings |
| keyword_network | Flexiable visualization of network (alternative to 'keyword_vis') |
| keyword_table | Display the table with different groups of keywords |
| keyword_vis | Visualization of grouped keyword co-occurrence network |
| make_dict | Making one's own dictionary |