{{category R}}
!!! tagger
{{outline}}
----
https://github.com/trinker/tagger

* openNLPの品詞タグ付与
{{pre
tagger wraps the NLP and openNLP packages for easier part of 
speech tagging. tagger uses the openNLP annotator to compute 
"Penn Treebank parse annotations using the Apache OpenNLP 
chunking parser for English."
}}

!!必要なパッケージをインストール
{{pre
install.packages("pacman")
pacman::p_load_gh(c(
    "trinker/termco", 
    "trinker/coreNLPsetup",        
    "trinker/tagger"
))

library(dplyr)
library(tagger)

install.packages('rJava')
library(rJava)
}}

!!タグ一覧
!penn_tags()
{{pre
   Tag  Description                                 
1  $    dollar                                      
2  ``   opening quotation mark                      
3  ''   closing quotation mark                      
4  (    opening parenthesis                         
5  )    closing parenthesis                         
6  ,    comma                                       
7  -    dash                                        
8  .    sentence terminator                         
9  :    colon or ellipsis                           
10 CC   conjunction, coordinating                   
11 CD   numeral, cardinal                           
12 DT   determiner                                  
13 EX   existential there                           
14 FW   foreign word                                
15 IN   preposition or conjunction, subordinating   
16 JJ   adjective or numeral, ordinal               
17 JJR  adjective, comparative                      
18 JJS  adjective, superlative                      
19 LS   list item marker                            
20 MD   modal auxiliary                             
21 NN   noun, common, singular or mass              
22 NNP  noun, proper, singular                      
23 NNPS noun, proper, plural                        
24 NNS  noun, common, plural                        
25 PDT  pre-determiner                              
26 POS  genitive marker                             
27 PRP  pronoun, personal                           
28 PRP$ pronoun, possessive                         
29 RB   adverb                                      
30 RBR  adverb, comparative                         
31 RBS  adverb, superlative                         
32 RP   particle                                    
33 SYM  symbol                                      
34 TO   "to" as preposition or infinitive marker    
35 UH   interjection                                
36 VB   verb, base form                             
37 VBD  verb, past tense                            
38 VBG  verb, present participle or gerund          
39 VBN  verb, past participle                       
40 VBP  verb, present tense, not 3rd person singular
41 VBZ  verb, present tense, 3rd person singular    
42 WDT  WH-determiner                               
43 WP   WH-pronoun                                  
44 WP$  WH-pronoun, possessive                      
45 WRB  Wh-adverb                                   
}}

!Penn Tree Bank式のタグではなく、一般的な品詞記号にまとめることもできる
 as_universial()

!品詞を明記することもできる
 as_basic()
!!コマンド

!タグ付与
 tag_pos()

!タグ頻度
 count_tags()

!タグ付きのテキストの出力
 as_word_tag()

!文の構成素ごとにまとめる
 as_tuple()