Re: [base] Lowess normalisation - Block parameter

2009-02-09 Thread Louise Donnison
Great using 1 worked!
Thanks





From: Nicklas Nordborg nick...@thep.lu.se
To: BASE ML basedb-users@lists.sourceforge.net
Sent: Sunday, 8 February, 2009 22:58:08
Subject: Re: [base] Lowess normalisation - Block parameter

Louise Donnison wrote:
 Hi
 I have been trying to normalise with block size 48 using the Lowess
 normalization plugin. It does not appear to work for me.
 It gives the same result as if I use block size 0.

If your array has 48 block on it this is the expected behavior. The 
parameter tells the plug-in the number of blocks to use per group. If 
you want to normalize each block individually the value should be '1'.

/Nicklas

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Re: [base] Lowess normalisation - Block parameter

2009-02-08 Thread Nicklas Nordborg
Louise Donnison wrote:
 Hi
 I have been trying to normalise with block size 48 using the Lowess
 normalization plugin. It does not appear to work for me.
 It gives the same result as if I use block size 0.

If your array has 48 block on it this is the expected behavior. The 
parameter tells the plug-in the number of blocks to use per group. If 
you want to normalize each block individually the value should be '1'.

/Nicklas

--
Create and Deploy Rich Internet Apps outside the browser with Adobe(R)AIR(TM)
software. With Adobe AIR, Ajax developers can use existing skills and code to
build responsive, highly engaging applications that combine the power of local
resources and data with the reach of the web. Download the Adobe AIR SDK and
Ajax docs to start building applications today-http://p.sf.net/sfu/adobe-com
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[base] Lowess normalisation - Block parameter

2009-02-06 Thread Louise Donnison
Hi
I have been trying to normalise with block size 48 using the Lowess
normalization plugin. It does not appear to work for me.
It gives the same result as if I use block size 0.


I have been looking at LowessNormalisation code.
The spot spot data is ofsize 17328 split over 48 blocks.
When the code executes here the resulting toNormalise is still of size
17328, I was expecting it to be of size 361 ?


while (toIndex  dataSize  data.get(toIndex).block = toBlock)
{
++toIndex;
}
if (toIndex  fromIndex)
{
List SpotData toNormalize = data.subList(fromIndex, toIndex);

Is there something that I am doing wrong?
regards
Louise

The code version is BASE 2.9 using LowessNormalisation code of
@version 2.0 @base.modified $Date: 2008-09-11 22:06:36 +0200 (Thu, 11
Sep 2008) $


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