Microarray Data Analysis Using BRB-ArrayTools Version 4.2.0 ...

Nearest centroid• May be used for classifying among two or moreclass labels• Use F-test Fto screen for genes which areunivariately significant in classifying the samples• Compute the centroid of each class as a meanover all the training samples with that class label• Classify test sample to be same class label as thenearest centroid, using Euclidean distance overonly those genes which were univariatelysignificant125