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R语言dplyr包filter函数过滤dataframe数据中指定数据列的内容包含指定字符串的数据行、基于grepl函数
2022-06-23 12:19:00 【statistics.insight】
R语言dplyr包filter函数过滤dataframe数据中指定数据列的内容包含指定字符串的数据行、基于grepl函数（subset data by index with filter function）
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