Hi. Try with following functions:

?intersection
?"%in%"
?"["

Perhaps someone will provide you more help if you read and follow posting
guide  http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>

Andrija

On Tue, Jun 26, 2012 at 5:03 PM, Васильченко Александр <
vasilchenko.a.p@gmail.com> wrote:

> Hello.
> I have a problem with 2 dataframes. There are 2 columns - "value" and
> "dates". These dataframes have different dimension. Some dates coincide.
> And I need to intersect them by dates and have on output two dataframes
> with identical columns "dates" and new dimension . "value" have to
> recieve in compliance with dates.
> Regards, Aleksander.
>
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>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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