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1 group
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2 posts
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Jun 2012 | [R] selecting rows by maximum value of one variables in dataframe nested by another Variable |
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Dec 2011 | [R] problem merging data with different shapes |
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Jun 2012 | [R] selecting rows by maximum value of one variables in dataframe nested by another Variable |
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Dec 2011 | [R] problem merging data with different shapes |