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. 2020 Jan 17;6:499. doi: 10.3389/fvets.2019.00499

Figure 2.

Figure 2

Dendrogram resulting from the hierarchical agglomerative cluster analysis of 762 dogs presenting with separation related problems based on their principal component scores: Exit frustration, Social panic, Elimination, Redirected frustration, Reactive communication, Immediate frustration and Noise sensitivity. Groups A (blue), B (orange), C (green) and D (red).