how to use pca and pca for competitive abilities how to combine morphological components which morphological component contributes to variation in competitive ability? which is a difference between pca and morphological index for competitive ability can you combine pcca and ps1 how much variation is there in a competitive ability index which traits are continuous traits and ordinal traits? what is the principal component of competitive ability what is the pc2 morphological index which trait makes up the competitive ability index which morphological component is responsible for the variation of competitive ability in tadpoles? why combine multiple principal components of a morphological index how to calculate a morphological index what is the morphological index for competitive ability what is the morphological index how to combine two morphological indices how can i combine multiple pca's? how to morphologically compare individual traits how much variation does pcca how to combine multiple morphological components