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Evaluate pathogen strains for their general and specific virulence


This is a function when the biplot is used in visual analysis of host genotype by pathogen strain two-way data. For the evaluation of the virulence of the pathogen strains, the following biplot is most informative:



Note this biplot has the following settings (compare with host genotype evaluation):


1. host genotypes are treated as testers and pathogen strains as entries;


2. tester-centered model (centering = 2);


3. entry-focused scaling (SVP =1);


4. the average-tester coordination view.





S48 > S78 >>> Average > other strains.