Re: [base] Null pointer exception on deleting affymetrix raw data

2007-09-18 Thread Dominic Oyeniran
Hi Nicklas,

I can confirm that this is entirely an affymetrix issue.

¬Dominic

Nicklas Nordborg wrote:
> Dominic Oyeniran wrote:
> 
>> The workaround works.
>> But thats after I removed each raw bioassay and its associated 
>> experiment first and thereafter remove all the other items  by emptying 
>> the trash.
>> Note I have  multiple experiments loaded :affy, genepix and agilent from 
>> Biosource to Experiment items.
>>
>> I will try deleting all at one go again and let you know
> 
> I have only tested with a single raw bioassay, not connected to any 
> experiments or other items. If there are problems deleting a hierarchy 
> of items it is probably unrelated to the Affymetrix issue.
> 
> There will be a fix for the Affymetrix issue in the 2.4.2 release.
> 
> /Nicklas
> 
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Re: [base] Null pointer exception on deleting affymetrix raw data

2007-09-18 Thread Nicklas Nordborg
Dominic Oyeniran wrote:

> 
> The workaround works.
> But thats after I removed each raw bioassay and its associated 
> experiment first and thereafter remove all the other items  by emptying 
> the trash.
> Note I have  multiple experiments loaded :affy, genepix and agilent from 
> Biosource to Experiment items.
> 
> I will try deleting all at one go again and let you know

I have only tested with a single raw bioassay, not connected to any 
experiments or other items. If there are problems deleting a hierarchy 
of items it is probably unrelated to the Affymetrix issue.

There will be a fix for the Affymetrix issue in the 2.4.2 release.

/Nicklas

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[base] procedure for obtaining normalized data

2007-09-18 Thread Ana Conesa
Hi

I am using BASE to store and analyze 2 color (GenePix) data from a
costum cDNA array.
I am addressing now the analysis of an experiment. I created a raw bioassay
out of raw data files and I would like now to normalize. I am not sure
which is the standard procedure to do this. At first I calculated FG-BG
using the formula intensity calculator and then I tried to compute M
values on the result as log2(ch1/ch2) with the idea of running lowess
normalization on this result, but this is giving me a "value" error, so
I guess this is not the way. Could anyone give me a bit of help on this
Thanks a lot
Ana

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Re: [base] Null pointer exception on deleting affymetrix raw data

2007-09-18 Thread Dominic Oyeniran


Nicklas Nordborg wrote:
> Dominic Oyeniran wrote:
>> I am experiencing the problem with deletion of items. See the exception 
>> below.
>> Description: When you start deleting from the trash can either with 
>> delete permanently or empty trash, the process dialog comes up but never 
>> finishes and throws the exception below
>>
>> The db control is also not closed once an excpetion occurs
>>
>> I have noticed that it only occurs with raw bio assay.
>>
>> Any clue on how to solve this. It stops me from re-using a file for 
>> example since I could delete an already linked file, ad same with other 
>> items.
> 
> I think this problem only happens for Affymetrix data. I am not able to 
> reproduce it for any other raw data types. I think the source of the 
> problem is that when deleting a raw bioassay, BASE also tries to delete 
> the raw data associated with it. Since Affymetrix data isn't stored in 
> the database this will of course fail. After that I really don't know 
> what is happening. The NullPointerException is coming from the cleanup 
> code that is cleaning up after the first error, thus the DbControl fails 
> to be closed and the "Found unclosed DbControl" is warning is logged. I 
> will have to investigate more before I know why the error in the cleanup 
> code happens.
> 
> In any case, there is an easy workaround. Edit the raw bioassay and 
> select 'none' as the CEL file. Save the changes and then retry deleting 
> it from the trashcan again.
> 
> /Nicklas


The workaround works.
But thats after I removed each raw bioassay and its associated 
experiment first and thereafter remove all the other items  by emptying 
the trash.
Note I have  multiple experiments loaded :affy, genepix and agilent from 
Biosource to Experiment items.

I will try deleting all at one go again and let you know

Cheers,
¬Dominic




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