On Fri, Sep 24, 2010 at 11:21 AM, Kevin R. Coombes <
kevin.r.coombes@gmail.com> wrote:

>  Correlation is not the same as "concordance correlation".
>
>
Good point.


>
> Correlation measures where two data vectors follow some sort of straight
> line.
>
> Concordance measures whether they follow the identity line.
>
>
> On 9/23/2010 11:50 AM, Sean Davis wrote:
>
>> On Thu, Sep 23, 2010 at 12:44 PM, ANJAN PURKAYASTHA<
>> anjan.purkayastha@gmail.com>  wrote:
>>
>>  > From reading the literature it seems that calculating the concordance
>>> correlation coefficient between two normalized arrays is a good measure
>>> of
>>> success of the normalization procedure. Is there a Bioconductor package
>>> that
>>> calculates this?
>>>
>>>  Hi, Anjan.  The R cor() function can be used to calculate correlation.
>>
>>
>>  Secondly, is there a bioconductor function that identifies outlier spot
>>> intensities among replicate arrays?
>>>
>>>  This is a little vague.  However, there are numerous packages for
>> quality
>> assessment of microarrays.  You might try looking at some of those to see
>> if
>> they meet your needs for your experimental setup.
>>
>> Sean
>>
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>>
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>
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