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Analyses/models where there is more than one response (dependent) variable. Commonly confused with "multiple" or "multivariable" analysis, which has more than one predictor (independent) variable.

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Log-ratio transformations, Aitchison Geometry, why logs?

I'm recently diving into the field of compositional data analysis and I'm still wondering why the log transformations that Aitchison proposes work. What I understand is that, having a $D$- part compos …
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