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  1. J

    Appropriateness of using ANOVA on PC-scores (PCA)

    Thanks Spunky, that's a good point, but I have seen a number of people conducting MANOVA on PC-scores. Does this make more sense from your perspective? It could be argued that, although the PC-scores are still composite variables, in a MANOVA (almost) all the composite variables are included in...
  2. J

    Appropriateness of using ANOVA on PC-scores (PCA)

    Thanks for your input Noetsi. It is actually a morphometric study on the shape of the wings in different bird species. I did a PCA on the wing measurements between three bird species. In the resulting scatterplot there is some overlap between the different clusters. The idea of the ANOVA was to...
  3. J

    Appropriateness of using ANOVA on PC-scores (PCA)

    Hi everyone, I'm new to the forum but wanted to ask a question about the appropriateness of using a test such as ANOVA or Mann-Whitney U test on the PC-scores of a Principal Component Analysis. I have recently received the critique on a submitted manuscript that it is problematic that I did...