情感可视化
让我们创建一个 word_counts 数据集,并探索在我们的 Twitter 数据中,哪些词与各类情感相关联。
本练习是课程的一部分
R 文本分析入门
交互式实操练习
通过完成这段示例代码来试试这个练习。
word_counts <- tidy_twitter %>%
# Append the NRC dictionary and filter for positive, fear, and trust
___(___) %>%
___(___) %>%
# Count by word and sentiment and keep the top 10 of each
___(___) %>%
group_by(___) %>%
___(___) %>%
ungroup() %>%
# Create a factor called word2 that has each word ordered by the count
mutate(___)