[R] time segments intersection

[hadley wickham]

> Its as follows:
>
> chooseCRANmirror()
> install.packages("zoo", dep = TRUE)
>
> or maybe:
>
> chooseCRANmirror()
> install.packages("zoo", dep = TRUE, type = "mac.binary")
>
> If those do not work try installing some other packages, e.g. chron,
> to see if you can install anything.  If you still have problems there
> is something wrong with your installation.   Ask on the r-sig-mac list.

Also ensure that you have an up-to-date version of R.

Hadley

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