Displaying 1 result from an estimated 1 matches for "donghyun".
2009 Apr 13
2
weighted mean and by() with two index
...1.105 ....... ...........
That is, the result should be tabularized.
How can I get the above form directly? (I don't want to modify tmp with
as.vector() and matrix() to get the result)
Thank you in advance.
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Donghyun Oh
CESIS, KTH
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