[R] merge function

[Bert Gunter]

1. Please read and follow the posting guide.

2. Reproducible example? (... at least I don't understand what you mean)

3. Plain text, not HTML.

Cheers,
Bert

Bert Gunter

"Data is not information. Information is not knowledge. And knowledge is
certainly not wisdom."
   -- Clifford Stoll

On Mon, Jun 1, 2015 at 6:46 AM, carol white via R-help <r-help at r-project.org
> wrote:

> Hi,By default the merge function should take the intersection of column
> names (if this is understood from by = intersect(names(x), names(y)), but
> it takes all columns. How to specify the intersection of column names?
>  Thanks
> Carol
>
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>
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