ColorPCAscores

Factor scores for PC1-20 for dorsal coloration per individual, per habitat (I: island, M:mainland), Population/Location (e.g. the Pop column) and sex (M: male, F: female). The PCA is based on 2D-histograms of the pixels in RGB-space, see (Brydegaard, M., A. Runemark, and R. Bro. 2012. Chemometric Approach to Chromatic Spatial Variance. Case study: Patchiness of the Skyros Wall Lizard. J.Chemometr. 26: 246-255) for a description of how these are obtained from raw images. These are the PCs the correlations between populations as well as between populations and habitats are based on. A subset of the PCs are also included in the variance component analysis and for preparing figure 3.