How to perform Lemmatization in R?
问题 This question is a possible duplicate of Lemmatizer in R or python (am, are, is -> be?) , but I'm adding it again since the previous one was closed saying it was too broad and the only answer it has is not efficient (as it accesses an external website for this, which is too slow as I have very large corpus to find the lemmas for). So a part of this question will be similar to the above mentioned question. According to Wikipedia, lemmatization is defined as: Lemmatisation (or lemmatization) in