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我有一个 CSV 文件,所有值都用双引号括起来。一列是 id 列,它包含如下值:
01100170109835
我遇到的问题是,无论我指定什么选项(as.is=T、、stringsAsFactors=F或numerals='no.loss'),它总是将此 id 列读取为数字并删除前导 0。这是一个如此基本的操作,我真的很困惑,我找不到解决方案。
as.is=T
stringsAsFactors=F
numerals='no.loss'