[R] Split

2008-04-08 Thread Kris Ghosh 
I have data in the form of a column such as
1234.
2345.
3435.
4343.
I want to have the data in this form ..i.e to remove the dot at the
end of each number above.
1234
2345
3435
4343

I am trying to use split but it is not working. Any suggestions?

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[R] Newbie question

2008-03-25 Thread Kris Ghosh 
I have 2 tables,T1 and T2. There are 4 columns of T1 and 2 columns of T2
T2

1. 990334.  G21
2. 844047.  G25
3. 281739.  G37
4  280903.  G002615
5  418546.  G004657

The data in T1
  V1V2V3  V4
1   T00015  AFP1 human G004657
2   T00035AP-2alphaA human G002615
3   T00036  AP-4 human G003918
4   T00040AR human G004953
5   T00045  COUP-TF2 human G004656


I want to construct T3 that has all the columns of T1 and T2 with the common
GOO  (common elements of column 4 of T1 and column 2 of T2.). I used
match but it did not work.

T3 should look like where  G002615 and G004657 are common.

T00015   AFP1human G004657 418546.
T00035   AP-2alphaA  human G002615 280903.

any help would be appreciated.

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