In a message dated 3/22/03 11:56:48 AM Eastern Standard Time,
[EMAIL PROTECTED] writes:
> Hi
>
> I want to combine 2 dataframes (t1 and t2) in order to get a third one
> (t3). The dataframes are below.
>
> In SQL I would do something like:
>
> SELECT t1.f1,t1.f2,t1.f3,t2.f4 FROM t1, t2
> WHERE t1.f1=t2.f1 AND t1.f2=t2.f2
>
> How can I do it with R ?
>
> Thanks
>
> EJ
>
A two-step solution will be to (1) subset the dataframes t1 and t2, making
two dataframes with the desired columns from each , and (2) use "merge" to
combine them.
--anupam
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