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文件名称:数据重整-probability statistics and random processes for electrical engineering 3ed
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更新时间:2021-06-07 19:03:37
stata
4.4 数据重整
4.4.1 要掌握的命令
要掌握下面的命令。
命令 命令解释 用法示例
reshape 将数据重整 reshape long inc,i(id) j(yr)
stack 将多列数据转换成一列数据 stack a b c d, into(e f)
xpose 数据转置 xpose, clear
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