What’sinaname?PCAscoresplotofonsetALLandAMLpatientsDataanalysis(6)有监督的模式识别方法：利用一组已知分类的样本作为训练集，让计算机对其进行学习，获取分类的基本模型，进而可以利用这种模型对另一组分类未知的样本进行类别识别。常用的有监督学习方法如偏最小二乘判别分析(Partialleastsquares-discriminantanalysis，PLS-DA)，正交偏最小二乘判别分析，费舍尔线性判别分析…t(1)DeviationofeachvariablesfromALL(standarddeviationsfromaverage)SomeknowledgeaboutprostatecancerMetabolomicprofilingofprostatecancerScreekumarA.,etal.Nature,2009Feruary12,457(7231):910-914ScreekumarA.,etal.Nature,2009Feruary12,457(7231):910-914ScreekumarA.,etal.Nature,2009Feruary12,457(7231):910-914ScreekumarA.,etal.Nature,2009Feruary12,457(7231):910-914ScreekumarA.,etal.Nature,2009Feruary12,457(7231):910-914ScreekumarA.,etal.Nature,2009Feruary12,457(7231):910-914