[R] the mgcv package can not be loaded

[Sarah Goslee]

Well, that answered some of my questions, though you forgot to send
your answer to the r-help list rather than just to me. I don't use
windows, so someone else may have better advice.

On Wed, May 25, 2011 at 12:02 PM,  <gbrenes at ssc.wisc.edu> wrote:
> Sorry, I forgot to be more specific.
>
> I am using Windows XP.
>
> I am using R.12.2
>
>
> I installed both packages from the install packages menu.

And were there any messages?

> I always write library(name.of.library), and it is enough.
>
> But when I write library(nlme), R does not find nlme right away
>
> I load nlme first and it says package was downloaded succesfully.

load? Installed? Downloaded successfully is not the same as installed
successfully. How about the actual wording?

> However, when I try to do this again in another day, R cannot find nlme,
> so I try to load mgcv with library(mgcv), then I get this message:
>
> Error: package 'nlme' could not be loaded
> In addition: Warning message:
> In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc =
> lib.loc) :
>  there is no package called 'nlme'
>
>
>
> Is there any problem with nlme that I need to install it every time I open R?

I wouldn't think so. But obviously something is not right, and you
still haven't provided enough information to be able to diagnose the
problem.

Sarah

>
> Gilbert
>
>
>
>> We really need some more information to be able to help you (as
>> requested in the posting guide):
>>
>> What OS?
>> What version of R?
>>
>> How did you install nlme? Were there any messages?
>>
>> What happens when you type library(nlme) at the R prompt?
>>
>> How did you install mgcv? Were there any messages?
>>
>>
>> On Wed, May 25, 2011 at 11:13 AM,  <gbrenes at ssc.wisc.edu> wrote:
>>> Hi.
>>>
>>> I have been trying to load the mgcv package but I always get the error
>>> message:
>>>
>>>  there is no package called 'nlme'
>>> Error: package/namespace load failed for 'mgcv'
>>>
>>>
>>> I load the package nlme and still I get the same message.  I have
>>> noticed
>>> that there are some problems in using nlme in recent versions of R.  Is
>>> there any suggestion or any special issue that I should know about nlme
>>> or
>>> mgcv?
>>>
>>> Thanks
>>>
>>>
>>> Gilbert
>>
>>


-- 
Sarah Goslee
http://www.functionaldiversity.org