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Different views on assessing correlations. (A) Classic scatter plot with correlation curve (straight black line). (B) Correlation matrix plot, designed with the corrplot package (Wei and Simko, 2017). (C) Circular layout correlation network, designed with Gephi (Bastian et al., 2009). (D) Complex correlation network with modularity coloring, designed with qgraph package (Espkamp et al., 2012).
