[R] Merge failure using zoo package

[e-letter]

On 02/04/2010, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> The files only have one data column.  What is the meaning of x[,2],
> etc. ?   What is z1?
>
I only want to merge one column from one file with one column from
another file. With [x,2], I am trying to select the column of data.

> Please provide reproducible code and data all in a single file using
> this style so its clear what is what. Also please cut down the size of
> your data to the smallest size that will still illustrate the problem.
>
See other posting; each file that I used is separated by an empty
line. This error seems to occur with the data set size as shown in the
files.