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我用下面的代码:如何将本地数据帧转换为R中的常规数据帧?
library(dplyr)
by.tweet %>%
group_by(tweet) %>%
summarise(created = sum(created), number = sum(number))
data.frame()
和它打印:
Source: local data frame [3 x 3]
tweet created number
1 negative <NA> 57876
2 neutral <NA> 124029
3 positive <NA> 92244
但我想这在常规的数据帧。我怎么写这个?谢谢!