Principal Component AnalysisDiscriminant AnalysisMetabolomicsCluster AnalysisAlgorithmsReproducibility of ResultsLeast-Squares AnalysisFactor Analysis, StatisticalMetabolomeElectronic NosePsychometricsGene Expression ProfilingComputer SimulationModels, StatisticalOligonucleotide Array Sequence AnalysisQuestionnairesData Interpretation, StatisticalPrimulaPattern Recognition, AutomatedMultivariate AnalysisSignal Processing, Computer-AssistedGenetic VariationImage Interpretation, Computer-AssistedSpectrometry, Mass, Secondary IonSpectrum Analysis, RamanImage Processing, Computer-AssistedGas Chromatography-Mass Spectrometry