[BioC] Help on ROC Analysis

[Steve Lianoglou]

Hi,

On Fri, Dec 18, 2009 at 12:42 PM, Sean Davis <seandavi at gmail.com> wrote:
> On Thu, Dec 17, 2009 at 11:57 PM, Susan Bosco <susanbosco86 at yahoo.com> wrote:
>> To the concerned,
>> I'm a student doing my masters degree at
>> MU,Manipal. I have to analyze data derived from MeDIP microarray
>> experiment.This is how my data looks after applying the MEDME package.
>>
>> GeneSymbol    Sample1       Sample2     Sample3     Sample4
>> P53                    1.1012            1.018        -0.06311      -0.7823
>> DNMT               1.1580            0.132        -0.4743
>>         -0.3456
>> SSH                   0.0361            1.678        -0.2404         1.6752
>> NLG1                 0.0369            0.782         0.3692         0.5431
>> UNC                   1.1379            2.652         1.3291         9.4561
>>
>>
>> I
>> want to further perform ROC analysis to the above mentioned data.Could
>> you kindly tell me how to proceed with it so as to obtain appropriate
>> result?
>
> Hi, Susan.
>
> I believe that perhaps a colleague of yours asked this question
> already today on the list.  But, to answer you, also, have a look at
> the ROC package.  If you have further questions, please clarify your
> question after read the posting guide here:
>
> http://www.bioconductor.org/docs/postingGuide.html
>
> and be sure to include the relevant information in future posts.

Also, for what it's worth, there is a ROCR package which I used in the
past and remember liking it:

http://rocr.bioinf.mpi-sb.mpg.de/

-steve

-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact