Fig 7. Markov network structure versus oblimin-rotated components.
Comparison of Markov network structures (R'y) and oblimin-rotated components (PCA) show good alignment indicating a both methods give similar result. Networks and components were estimated from E. coli isolates from chicken carcass rinsates and commercial chicken breasts collected in 2004 (n2004 = 2097), 2008 (n2008 = 1292; B), and 2012 (n2012 = 1376). Networks were generated via the graphical least absolute shrinkage and selection operator with ρ = 0.25. Sets of variables with loadings > 0.4 on each component are circumscribed with dashed circles and labeled with the component's eigenvalue (λ).