Scatterplot of the first two principal components of PCA conducted on the 21 logged measurements. Specimens are divided into the four geographic groups (see legend). The amount of explained variance by each PC axis is indicated in parentheses. The plot was generated using ggplot2.

  Part of: Dashti Z, Alhaddad H, Alhajeri BH (2022) Skull variation in populations of the Indian gerbil Tatera indica (Gerbillinae, Rodentia) sampled across its broad geographic range. Vertebrate Zoology 72: 1077-1098.