On Thu, May 27, 2010 at 3:46 AM, jchl tu <tujchl@gmail.com> wrote:

> I had some problems with my ReadAffy function and some one tell me to
> install and load mouse4302cdf and mouse4302.db manually. After
> installment it works well.
> my question is what the difference between mouse4302cdf and
> mouse4302.db why I need them both.
>
>
The cdf file contains the cdf and the .db file contains annotation
associated with the probe sets (gene name, symbol, etc.).  You can load
those packages and read the help pages for more details.

Sean

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