Henry wrote: > The purpose is to try to classify the samples to each control group. > What I did is using MSExcel chart to display these sample and control > values in a line chart so I know where sample data point relative to > control data point, so I decide each sample belongs to which control. > (this is a classification with a single variable) > > But it is kind of arbitrary in the above process. So I wonder if there > is a statistic to indicate the confidence /likelihood of my > classificatin for each sample. For example. which is better, consider > 1.23 as control type: 0.8 or as control type 1.7? > difference between controls.You'll need some estimate of the variation in control values if you're to do anything - otherwise there's no way of knowing if there's even any If you have that, then I'll let smeone take over - classification isn't my area....
Bob -- Bob O'Hara Rolf Nevanlinna Institute P.O. Box 4 (Yliopistonkatu 5) FIN-00014 University of Helsinki Finland Telephone: +358-9-191 23743 Mobile: +358 50 599 0540 Fax: +358-9-191 22 779 WWW: http://www.RNI.Helsinki.FI/~boh/ . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
