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