[R] Objects disappearing in my R work space

[Duncan Murdoch]

On 11-11-25 1:03 PM, Michael Clawson wrote:
> My problem with providing the code, is MCMC is a fairly integrated process,
> so I dont know how I would pare it down to send...
> Would it work to send the MCMC code, and the three *.csv files to go along
> with it?

I don't understand.  If you can't make your code simple enough to post, 
how do you think we can possibly imagine what you're doing?

Duncan Murdoch

>
> On Fri, Nov 25, 2011 at 9:54 AM, David Winsemius<dwinsemius at comcast.net>wrote:
>
>>
>> On Nov 25, 2011, at 10:08 AM, Michael Clawson wrote:
>>
>>   Uwe,
>>>
>>> by window I mean instances, by runs I mean, runs the my Markov-Chain Monte
>>> Carlo simulator
>>>
>>
>> It would probably be better to adopt the terminology that the things you
>> are calling "windows" are "sessions".
>>
>>
>>> I open two instances of R, run a million cycle chain in each instance, and
>>> when they finish, neither window has the object I defined to store the
>>> runs.
>>>
>>> I tested this morning and when I open two R windows and run a 5k cycle
>>> chain in each instance, neither window has the object I defined to store
>>> the runs.
>>>
>>> This does not happen when I only have one instance of R open
>>>
>>
>> The most common cause of that behavior is failing to assign the output of
>> a function to a name. There is an object named ".Last.value" that hosld the
>> results of the last returned object even it it doesn't have another name.
>>
>> lapply(1:10,  I)
>> test<- .Last.value
>> test
>> [[1]]
>> [1] 1
>>
>> [[2]]
>> [1] 2
>> snipped rest of output
>>
>> But as Uwe said ... without the code, ... and your OS (to answer the
>> question about memory)  .... and your sessionInfo() to make sure that this
>> is not a GUI-related issue ... we cannot say very much.
>>
>>
>>
>>
>>> 2011/11/25 Uwe Ligges<ligges at statistik.tu-dortmund.**de<ligges at statistik.tu-dortmund.de>
>>>>
>>>
>>>
>>>>
>>>> On 25.11.2011 05:12, Aldo wrote:
>>>>
>>>>   Is there a maximum memory allocation for all R windows open? because it
>>>>> is
>>>>> like 1-3 million runs
>>>>>
>>>>>
>>>> ????
>>>> So you mean you open a million windows at the same time? In that case we
>>>> really need your definition of "window".
>>>>
>>>>
>>>> .... so... it may be reaching some sort of memory limit
>>>>
>>>>>
>>>>>
>>>> I do not know if any OS / window manager has the capability to open that
>>>> many numbers of windows. But as I said, we need some difintions and
>>>> examples.
>>>>
>>>> Uwe Ligges
>>>>
>>>> --
>>>>
>>>
>> David Winsemius, MD
>> West Hartford, CT
>>
>>
>
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