On Wed, 2009-08-12 at 20:26 -0400, Justin Donaldson
wrote:> The eurodist dataset (my favorite for mds) is malformed. Instead of a
> standard distance matrix, it's a data frame. The rownames have gotten
> 'bumped' to a new anonymous dimension "X". It's
possible to fix the data,
> but it messes up a lot of example code out there.
>
> X Athens Barcelona Brussels Calais ...
> 1 Athens 0 3313 2963 3175
> 2 Barcelona 3313 0 1318 1326
> 3 Brussels 2963 1318 0 204
> 4 Calais 3175 1326 204 0
> 5 Cherbourg 3339 1294 583 460
> 6 Cologne 2762 1498 206 409
> ...
>
> Best,
> -Justin
What version of R, platform, loaded packages etc? This is not what I see
on Linux, 2.9.1-patched r49104.
> class(eurodist)
[1] "dist"> sessionInfo()
R version 2.9.1 Patched (2009-08-07 r49104)
x86_64-unknown-linux-gnu
locale:
LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;
LC_MONETARY=C;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;
LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods
base
loaded via a namespace (and not attached):
[1] tools_2.9.1
Have you tried this in a clean session to see if it persists there?
If you can reproduce this in a clean session with an up-to-date R or
R-Devel then send details of your R back to the list for further
investigation.
HTH
G
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Dr. Gavin Simpson [t] +44 (0)20 7679 0522
ECRC, UCL Geography, [f] +44 (0)20 7679 0565
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