See: https://www.rdocumentation.org/packages/nnet/versions/7.3-12/topics/multinom
Issues
- No compatibility with survey weights
- Not sure how to integrate with categorical variables (LRT)
- Need to calculate pvalues
Ideas
- Automatically set regression family and use this for categorical phenotypes?
- Functions to make use of external libraries easier, like generating formulas
- Implement it as a different ewas function, e.g.
ewas_nn_multinom