网站介绍：文章浏览阅读4.2k次。read.*read.*默认会把字符串转换成factor类型. 我们需要使用stringAsFactors=FALSE 来防止转换. ex:ufo <- read.delim(file.path("./ufo_awesome.tsv"), sep = "\t", stringsAsFactors = FALSE,_gsub("^ ","",split.location)
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