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POError in merging GO terms - Merge function
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19111053
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2013-10-01T08:07:33.790
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2013-10-01T09:18:26.820
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2013-10-01T09:18:26.820
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I have two data frames <pre><code> A ### data frame contain GO ids GOBPID G0:00987 GO:06723 GO:02671 GO:00654 GO:00132 B ### containing GO ids with their associated columns GOBPID term GO:08765 flavonoid synthesis G0:00133 biosynthesis process G0:00987 carotenoid synthesis GO:06723 coumarin synthesis GO:00824 metabolic process GO:02671 leaf morphology GO:00654 response to light GO:00268 response to stress GO:00135 pathogen defense GO:00132 spindle formation </code></pre> I wanted to extract only the common ids from both A and B and delete the rest of the rows <pre><code> #from A # from B # from B G0:00987 G0:00987 carotenoid synthesis GO:06723 GO:06723 coumarin synthesis GO:02671 GO:02671 leaf morphology GO:00654 GO:00654 response to light GO:00132 GO:00132 spindle formation </code></pre> and did the following: <pre><code> list of terms<- merge(A,B,by.x="GOBPID",by.y="GOBPID") </code></pre> But there was an error and returned a dataframe of 0 length which had only the column names but no merging. <pre><code> [1] GOBPID Term <0 rows> (or 0-length row.names) </code></pre> and again tried the following <pre><code> merge(A,B,by.x="row.names",by.y="row.names") </code></pre> which just merges the two data frame but does not give me the common ids. The 5 ids from A are just matched to the first 5 ids in B and does not consider the merging of only common ids. I have added the two datasets as well: <pre><code> [dataset A][http://public.justcloud.com/dldzm0fnsp.4540049] [dataset B][http://public.justcloud.com/dldzmx1758.4540049] </code></pre>
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<r><merge>
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Error in merging GO terms - Merge function
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