Supports morphological analysis for Japanese by using 'MeCab' <https://taku910.github.io/mecab/>, 'Sudachi' <https://github.com/WorksApplications/Sudachi>, 'Chamame' <https://chamame.ninjal.ac.jp/>, or 'Ginza' <https://github.com/megagonlabs/ginza>. Can input a data.frame and obtain all results of 'MeCab' and the row number of the original data.frame as a text id.