R 中的情感分析
Ted Kwartler
Data Dude

dplyr 连接
inner_join(x, y, ...)
left_join(x, y, ...)
right_join(x, y, ...)
full_join(x, y, ...)
semi_join(x, y, ...)
anti_join(x, y, ...)
声明 by 参数:
inner_join(x, y, by = "shared_column")
或
inner_join(x, y, by = c("a" = "b"))

inner_join(
text_table,
subjectivity_lexicon,
by = "word_column"
)

anti_join(
text_table,
stopwords_table,
by = "word_column"
)

R 中的情感分析