Why weights need to be interpreted as relative value to 1 instead of absolute scale

bioFAM / MOFA2

Multi-Omics Factor Analysis

https://biofam.github.io/MOFA2/

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Why weights need to be interpreted as relative value to 1 instead of absolute scale #129

Open gmhhope opened 1 year ago

gmhhope commented 1 year ago

Dear developers,

Importantly, the weights of the features within a view have relative values and they should not be interpreted in an absolute scale. Therefore, for interpretability purposes we always recommend to scale the weights with scale=TRUE.

Why is that so? Could anybody help explain?

Thanks, Minghao Gong