Figure 6: Discriminant analysis of the tumour (black) and the adjacent healthy tissue samples (white). | Scientific Reports

Figure 6: Discriminant analysis of the tumour (black) and the adjacent healthy tissue samples (white).

From: The focus on sample quality: Influence of colon tissue collection on reliability of qPCR data

Figure 6

(a) Samples collected in hospital A in the PAXgene Tissue System. (b) Samples collected in hospital B in the PAXgene Tissue System. (c) Samples collected by snap-freezing in hospital A. (d) Samples collected by immediate freezing in hospital B. Can1: the first canonical variable – the linear combination of all genes that provides the greatest difference between class means.

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