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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Biol Psychol. 2012 Nov 29;92(2):329–341. doi: 10.1016/j.biopsycho.2012.11.016

Figure 1.

Figure 1

Pictorial representation of data reduction methods utilized in this project, including matrix manipulation for spatial and heritability PCAs. Step 1 begins at the upper left corner (Butterfly plot) and proceeds in a serpentine, arrow-guided manner to the final step (Submit to genetic modeling).