TDM & DTM
R로 배우는 Bag-of-Words 텍스트 마이닝
Ted Kwartler
Instructor
TDM vs. DTM
# Generate TDM coffee_tdm <- TermDocumentMatrix(clean_corp)# Generate DTM coffee_dtm <- DocumentTermMatrix(clean_corp)
단어 빈도 행렬 (WFM)
# Load qdap package library(qdap)# Generate word frequency matrix coffee_wfm <- wfm(coffee_text$text)
