[R] is there is a way to extract lines in between 3 files that are in common based on one column?

[Rasmus Liland]

Dear Ana and Jim,

On 2020-06-01 19:40 -0500, Ana Marija wrote:
> > dim(neu2)
> [1] 3740988       9
> > dim(nep2)
> [1] 3740988       9
> > dim(ret2)
> [1] 3740001       9

Jim's code works out of the box directly from 
the email ... I get:

[1] 6 9
[1] 4 9
[1] 4 9

On 2020-06-01 19:40 -0500, Ana Marija wrote:
> On Tue, Jun 2, 2020 at 7:50 AM Ana Marija wrote:
> > 
> > but they don't have exactly the same 
> > number of lines
> 
> I think I would need to have the same 
> number of lines in all 3 data frames.

This does not make sense :´-\

Best,
Rasmus

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