Fig. 2From: Auto-classification of biomass through characterization of their pyrolysis behaviors using thermogravimetric analysis with support vector machine algorithm: case study for tobaccoPCA analysis of the thermogravimetric analysis curves of 88 tobacco leaves. a Scores of 88 tobacco leaves in eight categories on the second principal component (PC2). b Scores of 88 tobacco leaves categorized by the planting areas on the second principal component (PC2). c Loadings of PC2 in the feature spaceBack to article page