[R] Combine two tables by row with different columns
David Winsemius
dwinsemius at comcast.net
Thu May 10 03:47:48 CEST 2012
On May 9, 2012, at 9:21 PM, Kristi Glover wrote:
>
> Hi R user,
> I could not combine two tables. Would any one help me on how I can
> combine with following example tables?
You do realize that tables in R are not dataframes. They are a type of
matrix.
>
>> T1
> X Y Z XX
> A 1 5 9 13
> B 2 6 10 14
> C 3 7 11 15
> D 4 8 12 16
>
>> T2
> X Y XX
> a 1 4 7
> b 2 5 8
> c 3 6 9
>
> I want to get the following table
> cT
> X Y XX
> A 1 5 13
> B 2 6 14
> C 3 7 15
> D 4 8 16
> A1 1 4 7
> B1 2 5 8
> C1 3 6 9
Assuming you will accept the rownames as they stand, then try this:
cT <- cbind(T1,T2) # works for table, matrices, and dataframes
>
> [[alternative HTML version deleted]]
Plain text, please.
--
David Winsemius, MD
West Hartford, CT
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