Hi Minh,
2009/7/14 Minh Nguyen <nguyenmi...@gmail.com>:
>
> Hi Aleksey,
>
> On Tue, Jul 14, 2009 at 7:46 PM, Aleksey
> Gogolev<aleksey.gogo...@gmail.com> wrote:
>>
>> Hi Minh,
>>
>> Thank you!
>> I entered the command and got the same output as yours, but still no luck :(
>> After I restarted Sage and tried to load library I got the ImportError:
>>
>> sage:r.library("cluster")
>> ---------------------------------------------------------------------------
>> ImportError Traceback (most recent call last)
>>
>> /root/sage-4.0.2-linux-CentOS_release_5.2_Final-i686-Linux/<ipython
>> console> in <module>()
>>
>> /root/sage-4.0.2-linux-CentOS_release_5.2_Final-i686-Linux/local/lib/python2.5/site-packages/sage/interfaces/r.pyc
>> in library(self, library_name)
>> 554 ret = self.eval('require("%s")'%library_name)
>> 555 if 'there is no package' in ret:
>> --> 556 raise ImportError, "there is no package called
>> '%s'"%library_name
>> 557 else:
>> 558 try:
>>
>> ImportError: there is no package called 'cluster'
>>
>> I guess it's also some newbie mistake.
>
> Not at all; you're not doing anything wrong. This is a known error;
> see ticket #6379 at
>
> http://www.sagetrac.org/sage_trac/ticket/6379
>
> which already has a patch and positive review. But after applying that
> patch, installing cluster, restart Sage, and import the library
> cluster, Sage still doesn't recognize the cluster package. For
> example, here is what I did under Sage 4.1:
>
> sage:
> hg_sage.apply("http://www.sagetrac.org/sage_trac/raw-attachment/ticket/6379/trac_6379-Rdoctest.patch";)
> <applying the above patch>
> sage: exit
> Exiting SAGE (CPU time 0m0.09s, Wall time 0m18.86s).
> [mv...@sage sage-4.1-sage.math.washington.edu-x86_64-Linux]$ ./sage -br main
> <now install cluster>
> sage: r.install_packages("cluster")
> <now restart Sage>
> sage: exit
> Exiting SAGE (CPU time 0m0.50s, Wall time 0m22.15s).
> [mv...@sage sage-4.1-sage.math.washington.edu-x86_64-Linux]$ ./sage -br main
> <now import the package cluster>
> sage: r.library("cluster")
> ---------------------------------------------------------------------------
> ImportError Traceback (most recent call last)
>
> /home/mvngu/.sage/temp/sage.math.washington.edu/16587/_home_mvngu__sage_init_sage_0.py
> in <module>()
>
> /scratch/mvngu/sage-4.1-sage.math.washington.edu-x86_64-Linux/local/lib/python2.6/site-packages/sage/interfaces/r.pyc
> in library(self, library_name)
> 557 # not all warnings (e.g. "closing unused
> connection 3") are fatal
>
> 558 if 'library(' in ret: # locale-independent key-word
> --> 559 raise ImportError, "%s"%ret
> 560 else:
> 561 try:
>
> ImportError: Loading required package: cluster
> Warning message:
> In library(package, lib.loc = lib.loc, character.only = TRUE,
> logical.return = TRUE, :
> there is no package called 'cluster'
>
> The error message is much "friendlier" than previously. However, from
> the output I suspect that cluster has not been installed in a
> directory where R (the one bundled with Sage) recognizes. Just a
> guess.
>
> Anyway, from the error message you posted above, it looks to me that
> you have installed Sage as root. In fact in the root home directory
> /root. This is *strongly* discouraged for security reasons. If you're
> the only person using Sage on your system, then you should install
> Sage as a regular user, not as a superuser. If other people on your
> system will be using Sage, then you can install Sage in
> /usr/local/bin/ or something like that, but I don't recommend the
> directory /root.
Thanks! It's not up to me where Sage is installed, I'll tell about
this my admin.
> Regards
> Minh Van Nguyen
>
> >
>
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