Computer Science ›› 2010, Vol. 37 ›› Issue (12): 203-205.
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QI Yun-song,SUN Huai-jiang
Online:
Published:
Abstract: In this paper, a novel classifier was proposed to classify microarray data using principal curves. Principal curves are the non-linear generalization of principal components. Intuitively, a principal curve `passes through the middle of the data cloud'. As a kind of new classification technique,Principal Curve-based classifier (PC) involves a novel way of computing a principal curve for each class using the training data. A test sample is the class-label of the principal curve that is closest to it according to Expected Sctuared Error. Experimental results illustrate the performance of the PC is better than other existing approaches when a very small sample size of a microarray set is concerned.
Key words: Microarray data, Principal curve, Pattern classification
QI Yun-song,SUN Huai-jiang. Microarray Data Classification Based on Principal Curves[J].Computer Science, 2010, 37(12): 203-205.
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