[R] Install package automatically if not there?

[Ista Zahn]

Hi Ralf,
Ralf B <ralf.bierig at gmail.com> writes:

> Hi fans,
>
> is it possible for a script to check if a library has been installed?
> I want to automatically install it if it is missing to avoid scripts
> to crash when running on a new machine...

You could do something like
if ("somepackage" %in% row.names(installed.packages())  == FALSE)
install.packages("somepackage")

-Ista
>
> Ralf
>
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