James,
thank you for the answer.
I have microarray data expressionsXsamples.
Do you have another solution?

Pavel
On Fri, Jun 17, 2011 at 10:18 PM, James W. MacDonald
<jmacdon@med.umich.edu>wrote:

> Hi Pavel,
>
>
> On 6/17/2011 1:36 PM, Pavel Goldstein wrote:
>
>> Hello everyone,
>>
>> I want to try PCA-based gene filter from pvac package.
>> For this purpose I need to covert my data (matrix) to  Affybatch object.
>> I have found  only ReadAffy function that doing with Cel files.
>>
>
> The pvac package is specifically designed to use raw Affymetrix data. You
> don't say what your data matrix consists of, but I assume you don't have raw
> Affy data. In which case this package isn't likely to be useful to you.
>
> Best,
>
> Jim
>
>
>  Can anyone help me?
>>
>> Thanks,
>>
>> Pavel
>>
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