[R] (no subject)
ggrothendieck at gmail.com
Sun Feb 15 21:48:55 CET 2009
Also see the sqldf package which lets you do this using SQL within R.
On Sun, Feb 15, 2009 at 3:43 PM, Peter Dalgaard
<p.dalgaard at biostat.ku.dk> wrote:
> Vincze Orsolya wrote:
>> Dear all,I had just started to learn R. So my question may sound a bit
>> stupid for you.
>> Is that possible to match and merge two tables in R? I mean I have two
>> tables, in the first I have two columns: RING NUMBER, WEIGHT and CAPTURE
> Err, ... for large values of "two"? Or is one of the three a rowname?
>> DATE, in the second RING NUMBER, SEX and CAPTURE DATE.
>> 1) First I want to see, if to the ring numbers are the same, the capture
>> dates are too?
>> 2) And second if ring numbers are the same, to import the sex from the
>> second table in the first.
>> Is that possible?
> Yes. It's a job for merge()
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