add_group               Add group id column into result of
                        morphological analysis
add_id                  Add id in each group
add_sentence_no         Wrapper function for add_group() to add
                        sentence id
add_text_id             Add id column into result of morphological
                        analysis
clean_up                Clean up result of morphological analyzed data
                        frame
combine_words           Combine words after morphological analysis
draw_bigram_network     Draw bigram network using morphological
                        analysis data.
escape_japanese         Generate code like
                        "stringi::stri_unescape_unicode(...)"
iconv_x                 iconv x
make_groups             Make groups by splitting string length
moranajp_all            Morphological analysis for a specific column in
                        dataframe
neko                    The first part of 'I Am a Cat' by Soseki
                        Natsume
neko_chamame            Analyzed data of neko by chamame
neko_ginza              Analyzed data of neko by GiNZA
neko_mecab              Analyzed data of neko by MeCab
neko_sudachi_a          Analyzed data of neko by Sudachi
out_cols_chamame        Morphological analysis for Japanese text by web
                        chamame
remove_brk              Remove break point and other unused rows from
                        the result of morphological analysis
review                  Full text of review article
review_chamame          Analyzed data of review by chamame
review_ginza            Analyzed data of review by GiNZA
review_mecab            Analyzed data of review by MeCab
review_sudachi_a        Analyzed data of review by Sudachi
stop_words              Stop words for morphological analysis
synonym                 An example of synonym word pairs
unescape_utf            Wrapper functions for escape and unescape
                        unicode
