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理解 tidytext
了解 R 语言中的 tidytext，借助 tidyverse 简化文本分析，实现更便捷、更有条理的数据处理。
library(tidytext, quietly = TRUE) library(readtext, quietly = TRUE) library(dplyr, quietly = TRUE, warn.conflict = FALSE)
noNumbers <- readtext(file = "data/mws*txt") %>% unnest_tokens(word, text) %>% filter(is.na(as.numeric(word)))
print(noNumbers, n = 100)