| add_series_no | Add series no col according to match condition. |
| add_text_id | Add series no col according to match condition. |
| make_cmd_mecab | Morphological analysis for a specific column in dataframe |
| mecab | Morphological analysis for a specific column in dataframe |
| mecab_all | Morphological analysis for a specific column in dataframe |
| moranajp | Morphological analysis for a specific column in dataframe |
| moranajp_all | Morphological analysis for a specific column in dataframe |
| neko | The first part of 'I Am a Cat' by Soseki Natsume |
| out_cols_mecab | Morphological analysis for a specific column in dataframe |