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Answer 1

A:

sudo apt-get install libxml2-dev

it should work after that...

aL3xa 2010-03-23 16:00:21

See my answer about `apt-get install r-cran-xml` which should be easier for most users.

Dirk Eddelbuettel 2010-03-23 16:09:19

What's the catch? I have had problems with installing `XML` R package and managed to install it after installing `libxml2-dev` package. `odfWeave` depends on `XML` package... and now I installed `r-cran-xml`... so is it some kind of metapackage, or what? What's the difference between `r-cran-xml` and R `XML` package?

aL3xa 2010-03-23 17:08:36

The `XML` package must be built from source and so needs to find an XML parsing library to link against- in this case libxml2. The development headers must be installed for the compiler to perform the link, hence the need for `libxml2-dev`. `r-cran-xml` is distributed as a precompiled Debian binary, so no compiling needs to take place. The only difference is that the version of `XML` provided by `r-cran-xml` may lag behind what you could get by building `XML` from source.

Sharpie 2010-03-28 17:23:15

@Sharpie, thanks for info!

aL3xa 2010-03-29 16:26:37

Answer 2

+2 A:

Better still: sudo apt-get install r-cran-xml

Dirk Eddelbuettel 2010-03-23 16:03:22

Thank you both! I am now a happy camper. - Is it always recommended to use apt-get instead of install.packages()?

Andreas 2010-03-23 16:16:16

No, it's more complicated as Ubuntu may lag in time (as the release freezes). This gets discussed on r-sig-debian (also for Ubuntu) from time to time -- look there. But if the other approach fails, it is always better ;-)

Dirk Eddelbuettel 2010-03-23 16:20:29

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