On Sat, Oct 30, 2010 at 12:35 AM, rasanpreet kaur suri < rasanpreet.kaur@gmail.com> wrote: > Hello friends, > I want to perform ROC analysis on a list of Strand scission factor values. > eg: > SSF_value > 0.123 > 0.345 > 0.235 > 0.546 > .. > > I have no binary trait to perform the analysis. Could you please let me > know > how proper it is to simulate values or classifiers to get a threshold value > and which function i can use to simulate the classifiers. I will be > thankful > for any knid of advice. > > Hi, Rasanpreet. You need to know the "true" values for a classifier so that you can determine sensitivity and specificity of the test. Without those values, I'm not sure how how ROC curves would be applied. Sean > Thanking you in anticipation. > > Regards, > Rasanpreet Kaur > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: > http://news.gmane.org/gmane.science.biology.informatics.conductor > [[alternative HTML version deleted]]