egen sd1=rowsd( v2 v3 v4)
egen sd2=rowsd( v5 v7 v9)
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楼主: 十步天下
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3346
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[其他] stata横向计算标准离散问题 standard deviation |
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Some birds can't be caged, Their feathers are just too bright.
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Some birds can't be caged, Their feathers are just too bright.
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